arm64: a37xx: defconfig: Enable PINCTRL and GPIO support for ESPRESSOBin board

arm64: a37xx: defconfig: Enable PINCTRL and GPIO support for ESPRESSOBin board

This patch enable the PINCTRL and GPIO support, including the GPIO
command on the Armada 3720 espressobin board.

Reviewed-on: http://vgitil04.il.marvell.com:8080/40746
Tested-by: iSoC Platform CI <[email protected]>
Reviewed-by: Wilson Ding <[email protected]>
Cc: Simon Glass <[email protected]>
Cc: Stefan Roese <[email protected]>
Signed-off-by: Ken Ma <[email protected]>
Signed-off-by: Stefan Roese <[email protected]>