Update fbtest.c, can support show BMP file

guowenxue

2022-08-27 024203b0f98e5e8c3ca0f3d680ff092b435d1802

 bsp/rootfs/files/wpa_supplicant.conf

@@ -3,7 +3,7 @@
update_config=1
 
network={
 scan_ssid=1
 ssid=""   
 psk=""
    scan_ssid=1
    ssid=""
    psk=""
}