[DellEMC] S5232 platform updates

[srideepDell]

FPGA driver crash fix for stale buffer in i2c transfer
LED firmware load issue fix.
10G port swapfix
psu/sfp bug fixes to report correct states/status of hw

- What I did
issues fixed related to
FPGA driver crash fix for stale buffer in i2c transfer
LED firmware load issue fix
psu/sfp bug fixes to report correct states/status of hw

- How I did it
Code changes done in platform related areas

- How to verify it
Verified on S5232 platform. Logs in comments section

- Description for the changelog

- A picture of a cute animal (not mandatory but encouraged)

[srideepDell]

Platform /BMC chip supported system logs for FAN,PSU,Temperatures, direction of the fan

root@sonic-s5232-01:~# platform_sensors.py

Onboard Temperature Sensors:
PT_Left_temp: 25 degrees C
PT_Mid_temp: 30 degrees C
PT_Right_temp: 20 degrees C
Broadcom Temp: 25 degrees C
Inlet Airflow Temp: 19 degrees C
CPU Temp: 24 degrees C

Fan Trays:
Fan Tray 1:
Fan1 Speed: 9120 RPM
Fan2 Speed: 8160 RPM
Fan1 State: Normal
Fan2 State: Normal
Airflow: B2F
Fan Tray 2:
Fan1 Speed: 9000 RPM
Fan2 Speed: 8160 RPM
Fan1 State: Normal
Fan2 State: Normal
Airflow: B2F
Fan Tray 3:
Fan1 Speed: 9120 RPM
Fan2 Speed: 8280 RPM
Fan1 State: Normal
Fan2 State: Normal
Airflow: B2F
Fan Tray 4:
Fan1 Speed: 9120 RPM
Fan2 Speed: 8280 RPM
Fan1 State: Normal
Fan2 State: Normal
Airflow: B2F

PSUs:
PSU1: NOT OK
PSU2:
FAN Normal Temperature: 29 degrees C
FAN AirFlow Temperature: 18 degrees C
FAN RPM: 8160 RPM
Input Voltage: 207.90 Volts
Output Voltage: 12.40 Volts
Input Power: 140 Watts
Output Power: 120 Watts
Input Current: 0.64 Amps
Output Current: 10.50 Amps
Airflow: B2F

Total Power:                       140 Watts

root@sonic-s5232-01:~#

LED firmware load successfull

Apr 3 21:05:34.888074 sonic-s5232-01 INFO syncd#supervisord: start.sh ledinit: started
Apr 3 21:05:34.908141 sonic-s5232-01 INFO syncd#supervisord: ledinit rcload /usr/share/sonic/platform/led_proc_init.soc#015#015
Apr 3 21:05:34.916043 sonic-s5232-01 INFO syncd#supervisord: ledinit Loading M0 Firmware located at /usr/share/sonic/hwsku/custom_led.bin#015
Apr 3 21:05:34.945769 sonic-s5232-01 INFO syncd#supervisord: ledinit drivshell>
Apr 3 21:05:34.945922 sonic-s5232-01 INFO syncd#supervisord: ledinit

[srideepDell]

please do help in adding this commit to 201911 branch.

[srideepDell]

Retest vsimage please

[srideepDell]

Retest vsimage please

[jeff-yin]

@lguohan can you tag this for 201911 branch?