drm/amdgpu: Clean up errors in ih_v6_0.c

Fix the following errors reported by checkpatch:

ERROR: trailing statements should be on next line
ERROR: that open brace { should be on the previous line
Signed-off-by: Ran Sun <sunran001@208suo.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/ih_v6_0.c

@@ -494,7 +494,8 @@ static int ih_v6_0_self_irq(struct amdgpu_device *adev,
 		*adev->irq.ih1.wptr_cpu = wptr;
 		schedule_work(&adev->irq.ih1_work);
 		break;
-	default: break;
+	default:
+		break;
 	}
 	return 0;
 }
@@ -759,8 +760,7 @@ static void ih_v6_0_set_interrupt_funcs(struct amdgpu_device *adev)
 	adev->irq.ih_funcs = &ih_v6_0_funcs;
 }
 
-const struct amdgpu_ip_block_version ih_v6_0_ip_block =
-{
+const struct amdgpu_ip_block_version ih_v6_0_ip_block = {
 	.type = AMD_IP_BLOCK_TYPE_IH,
 	.major = 6,
 	.minor = 0,