replace cvi_pinmux command with duo-pinmux

milkv/overlay/mnt/system/duo-init.sh

 #!/bin/sh
 
-# Set Pin-29(PWR_SEQ2) to GPIO
+# Set Pin-29(GP22) to GPIO
 devmem 0x0502707c 32 0x111
 devmem 0x03001068 32 0x3
 
-# Set Pin-19(SD0_PWR_EN) to GPIO
-cvi_pinmux -w SD0_PWR_EN/XGPIOA_14 > /dev/null
+# Set Pin-19(GP14) to GPIO
+duo-pinmux -w GP14/GP14 > /dev/null
 
 # insmod pwm module
 insmod /mnt/system/ko/cv180x_pwm.ko