ARM: da850evm: Pinctrl for da850evm

The simple pin controller works for da850, so this patch enables
this to pin-mux the pins defined in the device tree for the da850evm.
Signed-off-by: NAdam Ford <aford173@gmail.com>

configs/da850evm_defconfig

@@ -51,6 +51,8 @@ CONFIG_DM_SPI_FLASH=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_SINGLE=y
 CONFIG_SPI_FLASH_MTD=y
 CONFIG_MII=y
 CONFIG_DRIVER_TI_EMAC=y

configs/da850evm_direct_nor_defconfig

@@ -49,6 +49,8 @@ CONFIG_DM_SPI_FLASH=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_SINGLE=y
 CONFIG_MII=y
 CONFIG_DRIVER_TI_EMAC=y
 CONFIG_SYS_NS16550=y

configs/da850evm_nand_defconfig

@@ -52,6 +52,8 @@ CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_SPI_FLASH_WINBOND=y
 CONFIG_SPI_FLASH_MTD=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_SINGLE=y
 CONFIG_DM_SERIAL=y
 CONFIG_SYS_NS16550=y
 CONFIG_SPI=y