drm/amdgpu: Clean up errors in common_baco.c

Fix the following errors reported by checkpatch:

ERROR: code indent should use tabs where possible
Signed-off-by: Ran Sun <sunran001@208suo.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/pm/powerplay/hwmgr/common_baco.c

@@ -42,7 +42,7 @@ static bool baco_wait_register(struct pp_hwmgr *hwmgr, u32 reg, u32 mask, u32 va
 }
 
 static bool baco_cmd_handler(struct pp_hwmgr *hwmgr, u32 command, u32 reg, u32 mask,
-			        u32 shift, u32 value, u32 timeout)
+				u32 shift, u32 value, u32 timeout)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)(hwmgr->adev);
 	u32 data;