configs: at91: Remove CONFIG_SYS_EXTRA_OPTIONS assignment
To remove the assignment of CONFIG_SYS_EXTRA_OPTIONS option,
which is deprecated, use the CONFIG_XXXX_BOOT options to
indicate the boot media, and the SoC is selected by the board.
Signed-off-by: Wenyou Yang <wenyou.yang@microchip.com>
diff --git a/configs/at91sam9x5ek_mmc_defconfig b/configs/at91sam9x5ek_mmc_defconfig
index 72c5550..9fa4801 100644
--- a/configs/at91sam9x5ek_mmc_defconfig
+++ b/configs/at91sam9x5ek_mmc_defconfig
@@ -4,7 +4,7 @@
CONFIG_SYS_MALLOC_F_LEN=0x2000
CONFIG_DEFAULT_DEVICE_TREE="at91sam9g35ek"
CONFIG_DEBUG_UART=y
-CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9X5,SYS_USE_MMC"
+CONFIG_SD_BOOT=y
CONFIG_BOOTDELAY=3
CONFIG_USE_BOOTARGS=y
CONFIG_BOOTARGS="mem=128M console=ttyS0,115200 mtdparts=atmel_nand:8M(bootstrap/uboot/kernel)ro,-(rootfs) root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait"