drm/radeon: Fix trailing whitespaces

Adhere to kernel coding style.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201201103542.2182-16-tzimmermann@suse.de

drivers/gpu/drm/radeon/r100.c

@@ -2798,7 +2798,7 @@ void r100_vram_init_sizes(struct radeon_device *rdev)
 			rdev->mc.real_vram_size = 8192 * 1024;
 			WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
 		}
-		/* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM - 
+		/* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM -
 		 * Novell bug 204882 + along with lots of ubuntu ones
 		 */
 		if (rdev->mc.aper_size > config_aper_size)

drivers/gpu/drm/radeon/radeon_kms.c

@@ -76,7 +76,7 @@ void radeon_driver_unload_kms(struct drm_device *dev)
 	}
 
 	radeon_acpi_fini(rdev);
-	
+
 	radeon_modeset_fini(rdev);
 	radeon_device_fini(rdev);