configs: ls1021atwr: enable CONFIG_MPC8XXX_GPIO

Enable CONFIG_MPC8XXX_GPIO for board ls1021atwr
Signed-off-by: NBiwen Li <biwen.li@nxp.com>
Reviewed-by: NPriyanka Jain <priyanka.jain@nxp.com>

include/configs/ls1021atwr.h

@@ -219,6 +219,13 @@
 #define CONFIG_SYS_I2C_MXC_I2C2		/* enable I2C bus 2 */
 #define CONFIG_SYS_I2C_MXC_I2C3		/* enable I2C bus 3 */
 
+/* GPIO */
+#ifdef CONFIG_DM_GPIO
+#ifndef CONFIG_MPC8XXX_GPIO
+#define CONFIG_MPC8XXX_GPIO
+#endif
+#endif
+
 /* EEPROM */
 #define CONFIG_ID_EEPROM
 #define CONFIG_SYS_I2C_EEPROM_NXID