mt6765-common: Set gps chrdev prop to gps_drv

• Fixes logspam, https://katb.in/befojemiqix.
• Issues: https://gitlab.e.foundation/e/devices/backlog/-/issues/831
• Steps:
  1. Locally built (v1-s)
  2. Install GPSTest app and note logcat
  3. Verified doesn't spam logcat