ARM: nhk8815_defconfig: Add new options

This adds some new driver options to the Nomadik NHK8815 defconfig:
- Activate IIO driver
- Enable CMA for coherent graphics allocations
- Activate DRM framebuffer driver for PL111
- Activate DRM panel driver for TPO TPG110
- Activate SPI GPIO driver (talks to the display)
- Activate STMPE PWM driver (used for display backlight)
- Activate PWM backlight
- Activate STw481x driver (PMIC)

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/configs/nhk8815_defconfig

@@ -20,6 +20,7 @@ CONFIG_ZBOOT_ROM_BSS=0x0
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_BLK_DEV_BSG is not set
+CONFIG_CMA=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
@@ -87,10 +88,21 @@ CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
 CONFIG_HW_RANDOM=y
 CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_GPIO=y
+CONFIG_SPI=y
+CONFIG_SPI_GPIO=y
 CONFIG_GPIO_STMPE=y
 # CONFIG_HWMON is not set
 CONFIG_MFD_STMPE=y
+CONFIG_MFD_STW481X=y
 CONFIG_REGULATOR=y
+CONFIG_DRM=y
+CONFIG_DRM_PANEL_TPO_TPG110=y
+CONFIG_DRM_PL111=y
+CONFIG_BACKLIGHT_LCD_SUPPORT=y
+CONFIG_BACKLIGHT_CLASS_DEVICE=y
+CONFIG_BACKLIGHT_PWM=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
+CONFIG_LOGO=y
 CONFIG_MMC=y
 CONFIG_MMC_ARMMMCI=y
 CONFIG_NEW_LEDS=y
@@ -102,6 +114,11 @@ CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_PL031=y
 CONFIG_DMADEVICES=y
 CONFIG_AMBA_PL08X=y
+CONFIG_IIO=y
+CONFIG_IIO_BUFFER=y
+CONFIG_IIO_ST_ACCEL_3AXIS=y
+CONFIG_PWM=y
+CONFIG_PWM_STMPE=y
 CONFIG_EXT2_FS=y
 CONFIG_EXT3_FS=y
 CONFIG_FUSE_FS=y