drm/amdgpu: update vf to pf message retry from 2 to 5

increase retry times to wait host has enough time to complete reset.

Signed-off-by: Zhigang Luo <Zhigang.Luo@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -181,7 +181,7 @@ send_request:
 	if (event != -1) {
 		r = xgpu_nv_poll_msg(adev, event);
 		if (r) {
-			if (retry++ < 2)
+			if (retry++ < 5)
 				goto send_request;
 
 			if (req != IDH_REQ_GPU_INIT_DATA) {