misc: amd-sbi: Move hwmon device sensor as separate entity

- Move hwmon device sensor to misc as only power is reported through
  hwmon sensor.

Reviewed-by: Naveen Krishna Chatradhi <naveenkrishna.chatradhi@amd.com>
Signed-off-by: Akshay Gupta <akshay.gupta@amd.com>
Link: https://lore.kernel.org/r/20250428063034.2145566-4-akshay.gupta@amd.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>