arm64: defconfig: add CONFIG_SPI_SPIDEV as module

add CONFIG_SPI_SPIDEV as module, for arm64.

Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index e6bf527..37999b7 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -155,6 +155,7 @@
 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