Rename GPIO_SUPPORT to GPIO

Rename these options so that CONFIG_IS_ENABLED can be used with them.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/include/configs/imx8mq_evk.h b/include/configs/imx8mq_evk.h
index bf385be..d6ad6d4 100644
--- a/include/configs/imx8mq_evk.h
+++ b/include/configs/imx8mq_evk.h
@@ -27,7 +27,7 @@
 #define CONFIG_SPL_STACK		0x187FF0
 #define CONFIG_SPL_LIBCOMMON_SUPPORT
 #define CONFIG_SPL_LIBGENERIC_SUPPORT
-#define CONFIG_SPL_GPIO_SUPPORT
+#define CONFIG_SPL_GPIO
 #define CONFIG_SPL_MMC_SUPPORT
 #define CONFIG_SPL_BSS_START_ADDR      0x00180000
 #define CONFIG_SPL_BSS_MAX_SIZE        0x2000	/* 8 KB */
diff --git a/include/configs/imx8mq_phanbell.h b/include/configs/imx8mq_phanbell.h
index 27e3cbb..455d6c9 100644
--- a/include/configs/imx8mq_phanbell.h
+++ b/include/configs/imx8mq_phanbell.h
@@ -24,7 +24,7 @@
 #define CONFIG_SPL_STACK		0x187FF0
 #define CONFIG_SPL_LIBCOMMON_SUPPORT
 #define CONFIG_SPL_LIBGENERIC_SUPPORT
-#define CONFIG_SPL_GPIO_SUPPORT
+#define CONFIG_SPL_GPIO
 #define CONFIG_SPL_MMC_SUPPORT
 #define CONFIG_SPL_BSS_START_ADDR      0x00180000
 #define CONFIG_SPL_BSS_MAX_SIZE        0x2000	/* 8 KB */
diff --git a/include/configs/pico-imx8mq.h b/include/configs/pico-imx8mq.h
index df4542e..52f9c44 100644
--- a/include/configs/pico-imx8mq.h
+++ b/include/configs/pico-imx8mq.h
@@ -24,7 +24,7 @@
 #define CONFIG_SPL_STACK		0x187FF0
 #define CONFIG_SPL_LIBCOMMON_SUPPORT
 #define CONFIG_SPL_LIBGENERIC_SUPPORT
-#define CONFIG_SPL_GPIO_SUPPORT
+#define CONFIG_SPL_GPIO
 #define CONFIG_SPL_MMC_SUPPORT
 #define CONFIG_SPL_BSS_START_ADDR	0x00180000
 #define CONFIG_SPL_BSS_MAX_SIZE		0x2000	/* 8 KB */