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/include/configs/sama5d2_xplained.h b/include/configs/sama5d2_xplained.h
index 7b75413..4f24a56 100644
--- a/include/configs/sama5d2_xplained.h
+++ b/include/configs/sama5d2_xplained.h
@@ -47,7 +47,7 @@
 #define CONFIG_ATMEL_LCD_RGB565
 #endif
 
-#ifdef CONFIG_SYS_USE_MMC
+#ifdef CONFIG_SD_BOOT
 
 /* bootstrap + u-boot + env in sd card */
 #undef CONFIG_BOOTCOMMAND
@@ -69,11 +69,11 @@
 
 #define CONFIG_SYS_MONITOR_LEN		(512 << 10)
 
-#ifdef CONFIG_SYS_USE_MMC
+#ifdef CONFIG_SD_BOOT
 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME		"u-boot.img"
 
-#elif CONFIG_SYS_USE_SERIALFLASH
+#elif CONFIG_SPI_BOOT
 #define CONFIG_SPL_SPI_LOAD
 #define CONFIG_SYS_SPI_U_BOOT_OFFS	0x10000