ARM: at91: sama5_defconfig: add mtd tests as modules

Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>

Author: noglitch

arch/arm/configs/sama5_defconfig

@@ -76,6 +76,7 @@ CONFIG_DEVTMPFS_MOUNT=y
 # CONFIG_PREVENT_FIRMWARE_BUILD is not set
 CONFIG_DMA_CMA=y
 CONFIG_MTD=y
+CONFIG_MTD_TESTS=m
 CONFIG_MTD_CMDLINE_PARTS=y
 CONFIG_MTD_BLOCK=y
 CONFIG_MTD_CFI=y