Convert CONFIG_MAC_ADDR_IN_SPIFLASH et al to Kconfig

This converts the following to Kconfig:
   CONFIG_MAC_ADDR_IN_SPIFLASH
   CONFIG_MAC_ADDR_IN_EEPROM

Signed-off-by: Adam Ford <aford173@gmail.com>

board/davinci/da8xxevm/Kconfig

@@ -9,6 +9,30 @@ config SYS_VENDOR
 config SYS_CONFIG_NAME
 	default "da850evm"
 
+menuconfig DA850_MAC
+	bool "Use MAC Address"
+	default y
+
+if DA850_MAC
+config MAC_ADDR_IN_SPIFLASH
+	bool "MAC address in SPI Flash"
+	default y
+	help
+	  The OMAP-L138 and AM1808 SoM are programmed with
+	  their MAC address in SPI Flash from the factory
+	  Enable this option to read the MAC from SPI Flash
+
+config MAC_ADDR_IN_EEPROM
+	bool "MAC address in EEPROM"
+	help
+	  The DA850 EVM comes with SoM are programmed with
+	  their MAC address in SPI Flash from the factory,
+	  but the kit has an optional expansion board with
+	  EEPROM available.  Enable this option to read the
+	  MAC from the EEPROM
+
+endif
+
 endif
 
 if TARGET_OMAPL138_LCDK

configs/da850_am18xxevm_defconfig

@@ -2,12 +2,13 @@ CONFIG_ARM=y
 CONFIG_ARCH_DAVINCI=y
 CONFIG_TARGET_DA850EVM=y
 CONFIG_TI_COMMON_CMD_OPTIONS=y
+CONFIG_MAC_ADDR_IN_EEPROM=y
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
 CONFIG_SPL_SERIAL_SUPPORT=y
 CONFIG_SPL_SPI_FLASH_SUPPORT=y
 CONFIG_SPL_SPI_SUPPORT=y
-CONFIG_SYS_EXTRA_OPTIONS="DA850_AM18X_EVM,MAC_ADDR_IN_EEPROM,SYS_I2C_EEPROM_ADDR_LEN=2,SYS_I2C_EEPROM_ADDR=0x50"
+CONFIG_SYS_EXTRA_OPTIONS="DA850_AM18X_EVM,SYS_I2C_EEPROM_ADDR_LEN=2,SYS_I2C_EEPROM_ADDR=0x50"
 CONFIG_BOOTDELAY=3
 CONFIG_USE_BOOTARGS=y
 CONFIG_BOOTARGS="mem=32M console=ttyS2,115200n8 root=/dev/mtdblock2 rw noinitrd ip=dhcp"

configs/da850evm_defconfig

@@ -7,7 +7,6 @@ CONFIG_SPL_LIBGENERIC_SUPPORT=y
 CONFIG_SPL_SERIAL_SUPPORT=y
 CONFIG_SPL_SPI_FLASH_SUPPORT=y
 CONFIG_SPL_SPI_SUPPORT=y
-CONFIG_SYS_EXTRA_OPTIONS="MAC_ADDR_IN_SPIFLASH"
 CONFIG_BOOTDELAY=3
 CONFIG_USE_BOOTARGS=y
 CONFIG_BOOTARGS="mem=32M console=ttyS2,115200n8 root=/dev/mtdblock2 rw noinitrd ip=dhcp"

configs/da850evm_direct_nor_defconfig

@@ -2,7 +2,7 @@ CONFIG_ARM=y
 CONFIG_ARCH_DAVINCI=y
 CONFIG_TARGET_DA850EVM=y
 CONFIG_TI_COMMON_CMD_OPTIONS=y
-CONFIG_SYS_EXTRA_OPTIONS="MAC_ADDR_IN_SPIFLASH,USE_NOR,DIRECT_NOR_BOOT"
+CONFIG_SYS_EXTRA_OPTIONS="USE_NOR,DIRECT_NOR_BOOT"
 CONFIG_BOOTDELAY=3
 CONFIG_USE_BOOTARGS=y
 CONFIG_BOOTARGS="mem=32M console=ttyS2,115200n8 root=/dev/mtdblock2 rw noinitrd ip=dhcp"

scripts/config_whitelist.txt

@@ -1359,8 +1359,6 @@ CONFIG_MACH_SPECIFIC
 CONFIG_MACH_TYPE
 CONFIG_MACH_TYPE_COMPAT_REV
 CONFIG_MACRESET_TIMEOUT
-CONFIG_MAC_ADDR_IN_EEPROM
-CONFIG_MAC_ADDR_IN_SPIFLASH
 CONFIG_MALLOC_F_ADDR
 CONFIG_MALTA
 CONFIG_MARCO_MEMSET