drm/amdgpu: remove nonsense const u32 cast on ARRAY_SIZE result

Not sure what that should originally been good for, but it doesn't seem
to make any sense any more.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c b/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c
index 2b435c0..df52824 100644
--- a/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c
+++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c
@@ -281,29 +281,29 @@ void xgpu_vi_init_golden_registers(struct amdgpu_device *adev)
 	case CHIP_FIJI:
 		amdgpu_program_register_sequence(adev,
 						 xgpu_fiji_mgcg_cgcg_init,
-						 (const u32)ARRAY_SIZE(
+						 ARRAY_SIZE(
 						 xgpu_fiji_mgcg_cgcg_init));
 		amdgpu_program_register_sequence(adev,
 						 xgpu_fiji_golden_settings_a10,
-						 (const u32)ARRAY_SIZE(
+						 ARRAY_SIZE(
 						 xgpu_fiji_golden_settings_a10));
 		amdgpu_program_register_sequence(adev,
 						 xgpu_fiji_golden_common_all,
-						 (const u32)ARRAY_SIZE(
+						 ARRAY_SIZE(
 						 xgpu_fiji_golden_common_all));
 		break;
 	case CHIP_TONGA:
 		amdgpu_program_register_sequence(adev,
 						 xgpu_tonga_mgcg_cgcg_init,
-						 (const u32)ARRAY_SIZE(
+						 ARRAY_SIZE(
 						 xgpu_tonga_mgcg_cgcg_init));
 		amdgpu_program_register_sequence(adev,
 						 xgpu_tonga_golden_settings_a11,
-						 (const u32)ARRAY_SIZE(
+						 ARRAY_SIZE(
 						 xgpu_tonga_golden_settings_a11));
 		amdgpu_program_register_sequence(adev,
 						 xgpu_tonga_golden_common_all,
-						 (const u32)ARRAY_SIZE(
+						 ARRAY_SIZE(
 						 xgpu_tonga_golden_common_all));
 		break;
 	default: