drm/amd/include:cleanup raven1 sdma header files.

Cleanup asic_reg/raven1/SDMA0 folder.Remove unused sdma0_4_1_sh_mask.h.
Signed-off-by: Feifei Xu <Feifei.Xu@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/psp_v10_0.c

@@ -33,7 +33,7 @@
 #include "soc15ip.h"
 #include "raven1/MP/mp_10_0_offset.h"
 #include "raven1/GC/gc_9_1_offset.h"
-#include "raven1/SDMA0/sdma0_4_1_offset.h"
+#include "sdma0/sdma0_4_1_offset.h"
 
 MODULE_FIRMWARE("amdgpu/raven_asd.bin");
 

drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c

@@ -35,7 +35,7 @@
 #include "mmhub/mmhub_1_0_offset.h"
 #include "mmhub/mmhub_1_0_sh_mask.h"
 #include "hdp/hdp_4_0_offset.h"
-#include "raven1/SDMA0/sdma0_4_1_default.h"
+#include "sdma0/sdma0_4_1_default.h"
 
 #include "soc15_common.h"
 #include "soc15.h"