kconfig: Convert CONFIG_MXS_GPIO to Kconfig
This converts the following to Kconfig:
CONFIG_MXS_GPIO
Travis-CI: https://travis-ci.org/lmajewski/u-boot-dfu/builds/571260789
Signed-off-by: Lukasz Majewski <lukma@denx.de>
Acked-by: Peng Fan <peng.fan@nxp.com>
Acked-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/configs/bg0900_defconfig b/configs/bg0900_defconfig
index 353790f..d0d527c 100644
--- a/configs/bg0900_defconfig
+++ b/configs/bg0900_defconfig
@@ -27,6 +27,7 @@
CONFIG_CMD_PING=y
CONFIG_CMD_CACHE=y
CONFIG_DOS_PARTITION=y
+CONFIG_MXS_GPIO=y
# CONFIG_MMC is not set
CONFIG_NAND=y
CONFIG_NAND_MXS=y