Convert CONFIG_HIKEY_GPIO et al to Kconfig

This converts the following to Kconfig:
   CONFIG_HIKEY_GPIO
   CONFIG_TCA642X

Signed-off-by: Tom Rini <trini@konsulko.com>

configs/hikey_defconfig

@@ -30,6 +30,7 @@ CONFIG_CMD_CACHE=y
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_SYS_MMC_ENV_PART=2
+CONFIG_HIKEY_GPIO=y
 CONFIG_MMC_DW=y
 CONFIG_MMC_DW_K3=y
 CONFIG_POWER_LEGACY=y

configs/omap5_uevm_defconfig

@@ -47,7 +47,7 @@ CONFIG_VERSION_VARIABLE=y
 CONFIG_SCSI_AHCI=y
 CONFIG_DFU_MMC=y
 CONFIG_DFU_RAM=y
-CONFIG_CMD_TCA642X=y
+CONFIG_TCA642X=y
 CONFIG_SYS_I2C_LEGACY=y
 CONFIG_SPL_SYS_I2C_LEGACY=y
 CONFIG_SUPPORT_EMMC_BOOT=y

drivers/gpio/Kconfig

@@ -169,6 +169,10 @@ config FXL6408_GPIO
 	  This driver supports the Fairchild FXL6408 device. FXL6408 is a
 	  fully configurable 8-bit I2C-controlled GPIO expander.
 
+config HIKEY_GPIO
+	bool "HI6220 GPIO driver"
+	depends on DM_GPIO
+
 config INTEL_BROADWELL_GPIO
 	bool "Intel Broadwell GPIO driver"
 	depends on DM
@@ -374,8 +378,13 @@ config XILINX_GPIO
 	help
 	  This config enable the Xilinx GPIO driver for Microblaze.
 
+config TCA642X
+	bool "TCA642x legacy GPIO driver"
+
 config CMD_TCA642X
 	bool "tca642x - Command to access tca642x state"
+	depends on TCA642X
+	default y
 	help
 	  DEPRECATED - This needs conversion to driver model
 

include/configs/hikey.h

@@ -32,8 +32,6 @@
 #define GICD_BASE			0xf6801000
 #define GICC_BASE			0xf6802000
 
-#define CONFIG_HIKEY_GPIO
-
 /* Initial environment variables */
 
 /*

include/configs/omap5_uevm.h

@@ -36,7 +36,6 @@
 #define CONFIG_HSMMC2_8BIT
 
 /* Required support for the TCA642X GPIO we have on the uEVM */
-#define CONFIG_TCA642X
 #define CFG_SYS_I2C_TCA642X_BUS_NUM 4
 #define CFG_SYS_I2C_TCA642X_ADDR 0x22