drm/amdgpu: Clean up errors in mxgpu_nv.c

Fix the following errors reported by checkpatch:

ERROR: else should follow close brace '}'
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/mxgpu_nv.c

@@ -183,12 +183,10 @@ static int xgpu_nv_send_access_requests(struct amdgpu_device *adev,
 			if (req != IDH_REQ_GPU_INIT_DATA) {
 				pr_err("Doesn't get msg:%d from pf, error=%d\n", event, r);
 				return r;
-			}
-			else /* host doesn't support REQ_GPU_INIT_DATA handshake */
+			} else /* host doesn't support REQ_GPU_INIT_DATA handshake */
 				adev->virt.req_init_data_ver = 0;
 		} else {
-			if (req == IDH_REQ_GPU_INIT_DATA)
-			{
+			if (req == IDH_REQ_GPU_INIT_DATA) {
 				adev->virt.req_init_data_ver =
 					RREG32_NO_KIQ(mmMAILBOX_MSGBUF_RCV_DW1);