arm64: defconfig: enable EEPROM_AT25 config option

Enable support for on board SPI EEPROM by setting
CONFIG_EEPROM_AT25=m

Signed-off-by: Scott Branden <scott.branden@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index bc4eedf..c3fde6f 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -148,6 +148,7 @@
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_NBD=m
 CONFIG_VIRTIO_BLK=y
+CONFIG_EEPROM_AT25=m
 CONFIG_SRAM=y
 # CONFIG_SCSI_PROC_FS is not set
 CONFIG_BLK_DEV_SD=y