sunxi: TZX-Q8-713B7 mmc0 card-detect pin

Signed-off-by: NPaul Kocialkowski <contact@paulk.fr>
Acked-by: NHans de Goede <hdegoede@redhat.com>
Signed-off-by: NHans de Goede <hdegoede@redhat.com>

configs/TZX-Q8-713B7_defconfig

 CONFIG_SPL=y
 CONFIG_SYS_EXTRA_OPTIONS="CONS_INDEX=2,AXP209_POWER"
 CONFIG_FDTFILE="sun5i-a13-tzx-q8-713b7.dtb"
+CONFIG_MMC0_CD_PIN="PG0"
 CONFIG_USB_MUSB_SUNXI=y
 CONFIG_USB0_VBUS_PIN="PG12"
 CONFIG_USB0_VBUS_DET="PG1"