ARM: nomadik: update defconfig base

Update the Nomadik defconfig enabling:
- GPIO keyboard input
- Regulators
- LED class driver
- LED heartbeat trigger
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

arch/arm/configs/nhk8815_defconfig

@@ -48,7 +48,6 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_MTD=y
 CONFIG_MTD_TESTS=m
 CONFIG_MTD_CMDLINE_PARTS=y
-CONFIG_MTD_CHAR=y
 CONFIG_MTD_BLOCK=y
 CONFIG_MTD_NAND_ECC_SMC=y
 CONFIG_MTD_NAND=y
@@ -94,6 +93,7 @@ CONFIG_I2C_GPIO=y
 CONFIG_I2C_NOMADIK=y
 CONFIG_DEBUG_GPIO=y
 # CONFIG_HWMON is not set
+CONFIG_REGULATOR=y
 CONFIG_MMC=y
 CONFIG_MMC_UNSAFE_RESUME=y
 # CONFIG_MMC_BLOCK_BOUNCE is not set