Update Firmware Pi4

update firmware instructions

https://drive.google.com/file/d/1PXwrnhAXKB1hb5J6_EfPy5zLQkqnbGba/view?usp=sharing

$ unzip vl805_update_0137a8.zip
$ chmod a+x vl805
$ sudo ./vl805 -w vl805_fw_0137a8.bin
$ sudo reboot