configs: ls1021atwr: enable CMD_GPIO

Enable CMD_GPIO for ls1021atwr

Signed-off-by: Biwen Li <biwen.li@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/configs/ls1021atwr_nor_defconfig b/configs/ls1021atwr_nor_defconfig
index a17b66e..8108d16 100644
--- a/configs/ls1021atwr_nor_defconfig
+++ b/configs/ls1021atwr_nor_defconfig
@@ -25,6 +25,7 @@
 CONFIG_CMD_MEMINFO=y
 CONFIG_CMD_MEMTEST=y
 CONFIG_CMD_GPT=y
+CONFIG_CMD_GPIO=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_USB=y