Convert CONFIG_AT91_GPIO to Kconfig

This converts the following to Kconfig:
   CONFIG_AT91_GPIO

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/at91rm9200ek_defconfig b/configs/at91rm9200ek_defconfig
index 0b02591..2aaf879 100644
--- a/configs/at91rm9200ek_defconfig
+++ b/configs/at91rm9200ek_defconfig
@@ -22,6 +22,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_ENV_IS_IN_FLASH=y
 CONFIG_ENV_ADDR=0x10040000
+CONFIG_AT91_GPIO=y
 # CONFIG_MMC is not set
 CONFIG_MTD_NOR_FLASH=y
 CONFIG_FLASH_CFI_DRIVER=y
diff --git a/configs/at91rm9200ek_ram_defconfig b/configs/at91rm9200ek_ram_defconfig
index 09c996b..9d2fc47 100644
--- a/configs/at91rm9200ek_ram_defconfig
+++ b/configs/at91rm9200ek_ram_defconfig
@@ -23,6 +23,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_ENV_IS_IN_FLASH=y
 CONFIG_ENV_ADDR=0x10040000
+CONFIG_AT91_GPIO=y
 # CONFIG_MMC is not set
 CONFIG_MTD_NOR_FLASH=y
 CONFIG_FLASH_CFI_DRIVER=y
diff --git a/configs/axm_defconfig b/configs/axm_defconfig
index 78e6c8d..1615d8a 100644
--- a/configs/axm_defconfig
+++ b/configs/axm_defconfig
@@ -58,6 +58,7 @@
 CONFIG_HAVE_BLOCK_DEVICE=y
 CONFIG_CLK=y
 CONFIG_CLK_AT91=y
+CONFIG_AT91_GPIO=y
 # CONFIG_MMC is not set
 CONFIG_MTD=y
 CONFIG_MTD_RAW_NAND=y
diff --git a/configs/corvus_defconfig b/configs/corvus_defconfig
index 0eedaa9..c6e5955 100644
--- a/configs/corvus_defconfig
+++ b/configs/corvus_defconfig
@@ -48,6 +48,7 @@
 CONFIG_CLK=y
 CONFIG_CLK_AT91=y
 CONFIG_DFU_NAND=y
+CONFIG_AT91_GPIO=y
 # CONFIG_MMC is not set
 CONFIG_MTD=y
 CONFIG_MTD_RAW_NAND=y
diff --git a/configs/gurnard_defconfig b/configs/gurnard_defconfig
index 0d1a463..a679c0f 100644
--- a/configs/gurnard_defconfig
+++ b/configs/gurnard_defconfig
@@ -32,6 +32,7 @@
 CONFIG_DEFAULT_DEVICE_TREE="at91sam9g45-gurnard"
 CONFIG_ENV_IS_IN_NAND=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_AT91_GPIO=y
 CONFIG_MTD=y
 CONFIG_MTD_RAW_NAND=y
 # CONFIG_SYS_NAND_USE_FLASH_BBT is not set
diff --git a/configs/picosam9g45_defconfig b/configs/picosam9g45_defconfig
index 0157f51..2921f2d 100644
--- a/configs/picosam9g45_defconfig
+++ b/configs/picosam9g45_defconfig
@@ -39,6 +39,7 @@
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_DM=y
 CONFIG_SPL_DM=y
+CONFIG_AT91_GPIO=y
 CONFIG_USB=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_STORAGE=y
diff --git a/configs/smartweb_defconfig b/configs/smartweb_defconfig
index 8f9a19f..4545c70 100644
--- a/configs/smartweb_defconfig
+++ b/configs/smartweb_defconfig
@@ -49,6 +49,7 @@
 CONFIG_CLK=y
 CONFIG_CLK_AT91=y
 CONFIG_DFU_NAND=y
+CONFIG_AT91_GPIO=y
 # CONFIG_MMC is not set
 CONFIG_MTD=y
 CONFIG_MTD_RAW_NAND=y
diff --git a/configs/snapper9260_defconfig b/configs/snapper9260_defconfig
index c684e2b..9e44395 100644
--- a/configs/snapper9260_defconfig
+++ b/configs/snapper9260_defconfig
@@ -30,6 +30,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_ENV_IS_IN_NAND=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_AT91_GPIO=y
 CONFIG_CMD_PCA953X=y
 # CONFIG_MMC is not set
 CONFIG_MTD=y
diff --git a/configs/snapper9g20_defconfig b/configs/snapper9g20_defconfig
index 3ef091f..e1c5c2e 100644
--- a/configs/snapper9g20_defconfig
+++ b/configs/snapper9g20_defconfig
@@ -29,6 +29,7 @@
 CONFIG_CMD_FAT=y
 CONFIG_ENV_IS_IN_NAND=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_AT91_GPIO=y
 CONFIG_CMD_PCA953X=y
 # CONFIG_MMC is not set
 CONFIG_MTD=y
diff --git a/configs/taurus_defconfig b/configs/taurus_defconfig
index d9a2d61..16a804b 100644
--- a/configs/taurus_defconfig
+++ b/configs/taurus_defconfig
@@ -66,6 +66,7 @@
 CONFIG_CLK=y
 CONFIG_CLK_AT91=y
 CONFIG_DFU_NAND=y
+CONFIG_AT91_GPIO=y
 # CONFIG_MMC is not set
 CONFIG_MTD=y
 CONFIG_MTD_RAW_NAND=y
diff --git a/configs/vinco_defconfig b/configs/vinco_defconfig
index 2684324..8ca7556 100644
--- a/configs/vinco_defconfig
+++ b/configs/vinco_defconfig
@@ -31,6 +31,7 @@
 CONFIG_DEFAULT_DEVICE_TREE="at91-vinco"
 CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_AT91_GPIO=y
 CONFIG_SUPPORT_EMMC_BOOT=y
 CONFIG_SPI_FLASH=y
 CONFIG_SF_DEFAULT_MODE=0
diff --git a/configs/wb45n_defconfig b/configs/wb45n_defconfig
index 5728cfb..d770e00 100644
--- a/configs/wb45n_defconfig
+++ b/configs/wb45n_defconfig
@@ -33,6 +33,7 @@
 CONFIG_ENV_IS_IN_NAND=y
 CONFIG_SYS_REDUNDAND_ENVIRONMENT=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_AT91_GPIO=y
 CONFIG_MTD=y
 CONFIG_MTD_RAW_NAND=y
 # CONFIG_SYS_NAND_USE_FLASH_BBT is not set
diff --git a/configs/wb50n_defconfig b/configs/wb50n_defconfig
index 86a8549..e764c30 100644
--- a/configs/wb50n_defconfig
+++ b/configs/wb50n_defconfig
@@ -33,6 +33,7 @@
 CONFIG_SYS_REDUNDAND_ENVIRONMENT=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
+CONFIG_AT91_GPIO=y
 CONFIG_MTD=y
 CONFIG_MTD_RAW_NAND=y
 # CONFIG_SYS_NAND_USE_FLASH_BBT is not set