arm64: mvebu_db-88f3720_defconfig: Enable PINCTRL and GPIO support

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

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Konstantin Porotchkin <kostap@marvell.com>
Cc: Nadav Haklai <nadavh@marvell.com>

configs/mvebu_db-88f3720_defconfig

@@ -19,6 +19,7 @@ CONFIG_CMD_SPI=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_USB=y
 # CONFIG_CMD_FPGA is not set
+CONFIG_CMD_GPIO=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_TFTPPUT=y
 CONFIG_CMD_DHCP=y
@@ -35,6 +36,8 @@ CONFIG_MAC_PARTITION=y
 CONFIG_ISO_PARTITION=y
 CONFIG_EFI_PARTITION=y
 CONFIG_BLOCK_CACHE=y
+CONFIG_DM_GPIO=y
+# CONFIG_MVEBU_GPIO is not set
 CONFIG_DM_I2C=y
 CONFIG_MISC=y
 CONFIG_DM_MMC=y
@@ -47,6 +50,8 @@ CONFIG_SPI_FLASH_SPANSION=y
 CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_PHYLIB=y
 CONFIG_MVEBU_COMPHY_SUPPORT=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_ARMADA_37XX=y
 # CONFIG_SPL_SERIAL_PRESENT is not set
 CONFIG_DEBUG_UART=y
 CONFIG_DEBUG_MVEBU_A3700_UART=y