[Platform][AS5835-54X] Fix sonic-mgmt pytest fail for chassis_fans, fan_drawer, and fan_drawer_fans

[tigerfu000]

Why I did it

• Fix pytest fail:
  • platform_tests/api/test_chassis_fans.py::TestChassisFans::test_set_fans_led
  • platform_tests/api/test_fan_drawer.py::TestFanDrawerApi::test_set_fan_drawers_led
  • platform_tests/api/test_fan_drawer_fans.py::TestFanDrawerFans::test_set_fans_led

How I did it

• Add 'controllable'=false in platform.json to fix these failures because platform does not support.

How to verify it

• Run pytest cases is pass.

Which release branch to backport (provide reason below if selected)

• 201811
• 201911
• 202006
• 202012
• 202106
• 202111
• 202205

Description for the changelog

Ensure to add label/tag for the feature raised. example - PR#2174 under sonic-utilities repo. where, Generic Config and Update feature has been labelled as GCU.

Link to config_db schema for YANG module changes

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