drm/amd/powerplay: implement pwm1 hwmon interface for SMU11 (v2)

added main functions:
	get_fan_speed_percent
	set_fan_speed_percent.
added dependent functions:
	smc_fan_control
	set_fan_static_mode
	get_fan_speed_percent

v2: fix coding style issue

Signed-off-by: Chengming Gui <[email protected]>
Reviewed-by: Huang Rui <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
3 files changed