[pcie.yaml] Move pcie configuration file path to platform directory (#6475)

- Why I did it
The pcie configuration file location is under plugin directory not under platform directory.
#6437

- How I did it

Move all pcie.yaml configuration file from plugin to platform directory.
Remove unnecessary timer to start pcie-check.service
Move pcie-check.service to sonic-host-services
- How to verify it
Verify on the device

.gitignore

@@ -56,6 +56,13 @@ platform/**/*-none-any.whl
 platform/**/.pybuild
 platform/**/debian/*
 platform/**/build
+platform/**/*.ko
+platform/**/*.mod.c
+platform/**/*.mod.o
+platform/**/*.o
+platform/**/*.d
+platform/**/*.cmd
+platform/**/*.order
 platform/broadcom/sonic-platform-modules-dell/s5232f/sonic_platform/ipmihelper.py
 platform/broadcom/sonic-platform-modules-dell/s6100/modules/dell_ich.c
 platform/broadcom/sonic-platform-modules-dell/s6100/modules/dell_s6100_lpc.c

files/build_templates/pcie-check.timer

@@ -1,9 +0,0 @@
-[Unit]
-Description=Start the pcie-check.service 10 seconds after boot
-
-[Timer]
-OnBootSec=10sec
-Unit=pcie-check.service
-
-[Install]
-WantedBy=timers.target

files/build_templates/sonic_debian_extension.j2

@@ -507,10 +507,6 @@ sudo cp $IMAGE_CONFIGS/constants/constants.yml $FILESYSTEM_ROOT/etc/sonic/
 sudo cp $IMAGE_CONFIGS/sudoers/sudoers $FILESYSTEM_ROOT/etc/
 sudo cp $IMAGE_CONFIGS/sudoers/sudoers.lecture $FILESYSTEM_ROOT/etc/
 
-# Copy systemd timer configuration
-sudo cp $BUILD_TEMPLATES/pcie-check.timer $FILESYSTEM_ROOT_USR_LIB_SYSTEMD_SYSTEM
-sudo LANG=C chroot $FILESYSTEM_ROOT systemctl enable pcie-check.timer
-
 # Copy pcie-check service files
 sudo cp $IMAGE_CONFIGS/pcie-check/pcie-check.service $FILESYSTEM_ROOT_USR_LIB_SYSTEMD_SYSTEM
 echo "pcie-check.service" | sudo tee -a $GENERATED_SERVICE_FILE

files/image_config/pcie-check/pcie-check.service

@@ -5,3 +5,6 @@ After=rc.local.service database.service
 [Service]
 Type=simple
 ExecStart=/usr/bin/pcie-check.sh
+
+[Install]
+WantedBy=multi-user.target

files/image_config/pcie-check/pcie-check.sh

@@ -19,7 +19,7 @@ function check_and_rescan_pcie_devices()
     PCIE_CHK_CMD='sudo pcieutil check | grep "$RESULTS"'
     PLATFORM=$(sonic-cfggen -H -v DEVICE_METADATA.localhost.platform)
 
-    if [ ! -f /usr/share/sonic/device/$PLATFORM/plugins/pcie.yaml ]; then
+    if [ ! -f /usr/share/sonic/device/$PLATFORM/pcie.yaml ]; then
         debug "pcie.yaml does not exist! Can't check PCIe status!"
         exit
     fi