drivers/sensors:Added virtual sensor flag to prioritize reading of driver information.

When the local core is a virtual sensor, attempt to retrieve
information from a remote core.

Signed-off-by: likun17 <likun17@xiaomi.com>

Author: Otpvondoiats

drivers/sensors/sensor_rpmsg.c

@@ -774,7 +774,8 @@ static int sensor_rpmsg_get_info(FAR struct sensor_lowerhalf_s *lower,
     {
       ret = drv->ops->get_info(drv, filep, info);
     }
-  else if (!(filep->f_oflags & SENSOR_REMOTE))
+
+  if (ret == -ENOTTY && !(filep->f_oflags & SENSOR_REMOTE))
     {
       ret = sensor_rpmsg_ioctl(dev, SNIOC_GET_INFO,
                                (unsigned long)(uintptr_t)info,

drivers/sensors/usensor.c

@@ -229,6 +229,10 @@ static int usensor_get_info(FAR struct sensor_lowerhalf_s *lower,
   FAR struct usensor_lowerhalf_s *ulower = container_of(lower,
                                            struct usensor_lowerhalf_s,
                                            driver);
+  if (ulower->devinfo.name[0] == '\0')
+    {
+      return -ENOTTY;
+    }
 
   *info = ulower->devinfo;
   return 0;