arm64: defconfig: enable EDAC GHES option

Enable CONFIG_EDAC_GHES option for ARM64,so that the memory errors
are processed and reported to the user space.
Signed-off-by: Shiju Jose <shiju.jose@huawei.com>
Acked-by: Timur Tabi <timur@codeaurora.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm64/configs/defconfig

@@ -477,6 +477,7 @@ CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
 CONFIG_LEDS_TRIGGER_PANIC=y
 CONFIG_LEDS_TRIGGER_DISK=y
 CONFIG_EDAC=y
+CONFIG_EDAC_GHES=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_MAX77686=y
 CONFIG_RTC_DRV_RK808=m