drm/amdgpu: fix spelling in amd_shared.h

Fix spelling in documentation.
Reviewed-by: Kent Russell <kent.russell@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/include/amd_shared.h

@@ -85,7 +85,7 @@ enum amd_apu_flags {
 * @AMD_IP_BLOCK_TYPE_MES: Micro-Engine Scheduler
 * @AMD_IP_BLOCK_TYPE_JPEG: JPEG Engine
 * @AMD_IP_BLOCK_TYPE_VPE: Video Processing Engine
-* @AMD_IP_BLOCK_TYPE_UMSCH_MM: User Mode Schduler for Multimedia
+* @AMD_IP_BLOCK_TYPE_UMSCH_MM: User Mode Scheduler for Multimedia
 * @AMD_IP_BLOCK_TYPE_ISP: Image Signal Processor
 * @AMD_IP_BLOCK_TYPE_NUM: Total number of IP block types
 */