Fix powercap default to enum for sensor_ind (#2004)

* Fix powercap default to enum for sensor_ind

Signed-off-by: Maisam Arif <Maisam.Arif@amd.com>

* [SWDEV-559965] Refactor amdsmi set power cap

Modified power cap set to accept args with
optional power_cap type. Added power_cap helper
validate_and_set_power_cap(). Fixed JSON output
format.

Signed-off-by: Bindhiya Kanangot Balakrishnan <Bindhiya.KanangotBalakrishnan@amd.com>

---------

Signed-off-by: Maisam Arif <Maisam.Arif@amd.com>
Signed-off-by: Bindhiya Kanangot Balakrishnan <Bindhiya.KanangotBalakrishnan@amd.com>
Co-authored-by: Bindhiya Kanangot Balakrishnan <Bindhiya.KanangotBalakrishnan@amd.com>

projects/amdsmi/py-interface/amdsmi_interface.py

@@ -2191,7 +2191,7 @@ def amdsmi_get_supported_power_cap(
 
 def amdsmi_get_power_cap_info(
     processor_handle: processor_handle_t,
-    sensor_ind: int = 0
+    sensor_ind: int = AmdSmiPowerCapType.PPT0
 ) -> Dict[str, Any]:
     if not isinstance(processor_handle, amdsmi_wrapper.amdsmi_processor_handle):
         raise AmdSmiParameterException(