drm/amdgpu: support sdma error injection

Signed-off-by: Stanley.Yang <Stanley.Yang@amd.com>
Reivewed-by: Dennis Li <Dennis.Li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -925,6 +925,7 @@ int amdgpu_ras_error_inject(struct amdgpu_device *adev,
 			ret = -EINVAL;
 		break;
 	case AMDGPU_RAS_BLOCK__UMC:
+	case AMDGPU_RAS_BLOCK__SDMA:
 	case AMDGPU_RAS_BLOCK__MMHUB:
 	case AMDGPU_RAS_BLOCK__PCIE_BIF:
 		ret = psp_ras_trigger_error(&adev->psp, &block_info);