ARM: bcm2835: enable auxiliary spi driver in defconfig

add the auxiliary spi driver to the default config

Signed-off-by: Martin Sperl <kernel@martin.sperl.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/arm/configs/bcm2835_defconfig b/arch/arm/configs/bcm2835_defconfig
index 0fda844..72def20 100644
--- a/arch/arm/configs/bcm2835_defconfig
+++ b/arch/arm/configs/bcm2835_defconfig
@@ -69,6 +69,7 @@
 CONFIG_I2C_BCM2835=y
 CONFIG_SPI=y
 CONFIG_SPI_BCM2835=y
+CONFIG_SPI_BCM2835AUX=y
 CONFIG_GPIO_SYSFS=y
 # CONFIG_HWMON is not set
 CONFIG_WATCHDOG=y