arm64: defconfig: add CONFIG_SPI_SPIDEV as module

add CONFIG_SPI_SPIDEV as module, for arm64.
Signed-off-by: NGuodong Xu <guodong.xu@linaro.org>
Reviewed-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NWei Xu <xuwei5@hisilicon.com>

arch/arm64/configs/defconfig

@@ -155,6 +155,7 @@ CONFIG_I2C_RCAR=y
 CONFIG_SPI=y
 CONFIG_SPI_PL022=y
 CONFIG_SPI_QUP=y
+CONFIG_SPI_SPIDEV=m
 CONFIG_SPMI=y
 CONFIG_PINCTRL_SINGLE=y
 CONFIG_PINCTRL_MSM8916=y