drm/amdgpu: Fix coding style

Align a closing brace and remove trailing whitespaces. No functional
changes.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

@@ -5859,8 +5859,8 @@ void amdgpu_device_invalidate_hdp(struct amdgpu_device *adev,
 int amdgpu_in_reset(struct amdgpu_device *adev)
 {
 	return atomic_read(&adev->reset_domain->in_gpu_reset);
-	}
-	
+}
+
 /**
  * amdgpu_device_halt() - bring hardware to some kind of halt state
  *