drm/amd/include:cleanup vega10 athub header files.

Cleanup asic_reg/vega10/ATHUB folder,remove unused files.
Signed-off-by: Feifei Xu <Feifei.Xu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c

@@ -33,7 +33,7 @@
 #include "vega10/DC/dce_12_0_sh_mask.h"
 #include "vega10/vega10_enum.h"
 #include "vega10/MMHUB/mmhub_1_0_offset.h"
-#include "vega10/ATHUB/athub_1_0_offset.h"
+#include "athub/athub_1_0_offset.h"
 
 #include "soc15_common.h"
 #include "vega10/UMC/umc_6_0_sh_mask.h"

drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c

@@ -27,9 +27,8 @@
 #include "vega10/MMHUB/mmhub_1_0_offset.h"
 #include "vega10/MMHUB/mmhub_1_0_sh_mask.h"
 #include "vega10/MMHUB/mmhub_1_0_default.h"
-#include "vega10/ATHUB/athub_1_0_offset.h"
-#include "vega10/ATHUB/athub_1_0_sh_mask.h"
-#include "vega10/ATHUB/athub_1_0_default.h"
+#include "athub/athub_1_0_offset.h"
+#include "athub/athub_1_0_sh_mask.h"
 #include "vega10/vega10_enum.h"
 
 #include "soc15_common.h"