* Update PG headroom settings ports based on port speed/cable length
* Updated XOFF settings to use chip level numbers than core
* Updated PG headroom based on uplink/downlink side
* fix for sonic-config-gen tests
* More fixes for unit test cases
* more test fixes
* Merged multiple functions into one
Why I did it
Update ECN settings for T2 chassis
How I did it
Updated qos config file to load these settings during switch bootup
How to verify it
Verified on line card on T2 chassis
The v0.7.5 has bug fix for the support of gearbox port and macsec counters. It also includes a owl firmware update with owl.lz4.fw.1.94.0.bin.
How I did it
Update credo sai url for v0.7.5
Update gearbox_config.json with using firmware owl.lz4.fw.1.94.0.bin instead of owl.lz4.fw.1.92.1.bin
How to verify it
Test gearbox port and macsec counter successfully on A7280.
