[201911] Change submodule path from Azure to sonic-net (#12313)

Why I did it
Change the path of sonic submodules that point to "Azure" to point to "sonic-net"

How I did it
Replace "Azure" with "sonic-net" on all relevant paths of sonic submodules

.gitmodules

@@ -1,15 +1,15 @@
 [submodule "sonic-swss-common"]
 	path = src/sonic-swss-common
-	url = https://github.com/Azure/sonic-swss-common
+	url = https://github.com/sonic-net/sonic-swss-common
 [submodule "sonic-linux-kernel"]
 	path = src/sonic-linux-kernel
-	url = https://github.com/Azure/sonic-linux-kernel
+	url = https://github.com/sonic-net/sonic-linux-kernel
 [submodule "sonic-sairedis"]
 	path = src/sonic-sairedis
-	url = https://github.com/Azure/sonic-sairedis
+	url = https://github.com/sonic-net/sonic-sairedis
 [submodule "sonic-swss"]
 	path = src/sonic-swss
-	url = https://github.com/Azure/sonic-swss
+	url = https://github.com/sonic-net/sonic-swss
 [submodule "src/p4c-bm/p4c-bm"]
 	path = platform/p4/p4c-bm/p4c-bm
 	url = https://github.com/krambn/p4c-bm
@@ -18,35 +18,35 @@
 	url = https://github.com/p4lang/p4-hlir
 [submodule "quagga"]
 	path = src/sonic-quagga
-	url = https://github.com/Azure/sonic-quagga
+	url = https://github.com/sonic-net/sonic-quagga
 	branch = debian/0.99.24.1
 [submodule "sonic-dbsyncd"]
 	path = src/sonic-dbsyncd
-	url = https://github.com/Azure/sonic-dbsyncd
+	url = https://github.com/sonic-net/sonic-dbsyncd
 [submodule "src/sonic-py-swsssdk"]
 	path = src/sonic-py-swsssdk
-	url = https://github.com/Azure/sonic-py-swsssdk.git
+	url = https://github.com/sonic-net/sonic-py-swsssdk.git
 [submodule "src/sonic-snmpagent"]
 	path = src/sonic-snmpagent
-	url = https://github.com/Azure/sonic-snmpagent
+	url = https://github.com/sonic-net/sonic-snmpagent
 [submodule "src/ptf"]
 	path = src/ptf
 	url = https://github.com/p4lang/ptf.git
 [submodule "src/sonic-utilities"]
 	path = src/sonic-utilities
-	url = https://github.com/Azure/sonic-utilities
+	url = https://github.com/sonic-net/sonic-utilities
 [submodule "platform/broadcom/sonic-platform-modules-arista"]
 	path = platform/broadcom/sonic-platform-modules-arista
 	url = https://github.com/aristanetworks/sonic
 [submodule "src/sonic-platform-common"]
 	path = src/sonic-platform-common
-	url = https://github.com/Azure/sonic-platform-common
+	url = https://github.com/sonic-net/sonic-platform-common
 [submodule "src/sonic-platform-daemons"]
 	path = src/sonic-platform-daemons
-	url = https://github.com/Azure/sonic-platform-daemons
+	url = https://github.com/sonic-net/sonic-platform-daemons
 [submodule "src/sonic-frr/frr"]
 	path = src/sonic-frr/frr
-	url = https://github.com/Azure/sonic-frr.git
+	url = https://github.com/sonic-net/sonic-frr.git
 	branch = frr/7.2
 [submodule "platform/p4/p4-hlir/p4-hlir-v1.1"]
 	path = platform/p4/p4-hlir/p4-hlir-v1.1
@@ -68,18 +68,18 @@
 	url = https://github.com/Mellanox/SAI-Implementation
 [submodule "src/sonic-mgmt-framework"]
 	path = src/sonic-mgmt-framework
-	url = https://github.com/Azure/sonic-mgmt-framework
+	url = https://github.com/sonic-net/sonic-mgmt-framework
 [submodule "src/sonic-telemetry"]
 	path = src/sonic-telemetry
-	url = https://github.com/Azure/sonic-telemetry
+	url = https://github.com/sonic-net/sonic-telemetry
 	branch = 201911
 [submodule "Switch-SDK-drivers"]
 	path = platform/mellanox/sdk-src/sx-kernel/Switch-SDK-drivers
 	url = https://github.com/Mellanox/Switch-SDK-drivers
 [submodule "src/sonic-restapi"]
 	path = src/sonic-restapi
-	url = https://github.com/Azure/sonic-restapi.git
+	url = https://github.com/sonic-net/sonic-restapi.git
 	branch = master
 [submodule "src/sonic-ztp"]
 	path = src/sonic-ztp
-	url = https://github.com/Azure/sonic-ztp
+	url = https://github.com/sonic-net/sonic-ztp

files/image_config/environment/motd

@@ -10,5 +10,5 @@ You are on
 Unauthorized access and/or use are prohibited.
 All access and/or use are subject to monitoring.
 
-Help:    http://azure.github.io/SONiC/
+Help:    https://sonic-net.github.io/SONiC/
 

platform/vs/sonic-gns3a.sh

@@ -41,9 +41,9 @@ echo "
     \"category\": \"router\",
     \"description\": \"SONiC Virtual Switch/Router\n\",
     \"vendor_name\": \"SONiC\",
-    \"vendor_url\": \"https://azure.github.io/SONiC/\",
+    \"vendor_url\": \"https://sonic-net.github.io/SONiC/\",
     \"product_name\": \"SONiC\",
-    \"product_url\": \"https://azure.github.io/SONiC/\",
+    \"product_url\": \"https://sonic-net.github.io/SONiC/\",
     \"registry_version\": 3,
     \"status\": \"experimental\",
     \"maintainer\": \"SONiC\",