x86: Boot coral into Chrome OS by default

Add a script to boot Chrome OS from the internal MMC. This involved adding
a few commands and options.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/configs/chromebook_coral_defconfig b/configs/chromebook_coral_defconfig
index 827974f..e5ad79d 100644
--- a/configs/chromebook_coral_defconfig
+++ b/configs/chromebook_coral_defconfig
@@ -29,8 +29,10 @@
 CONFIG_SPL_BOOTSTAGE_RECORD_COUNT=10
 CONFIG_BOOTSTAGE_STASH=y
 CONFIG_USE_BOOTARGS=y
-CONFIG_BOOTARGS="console=ttyS2,115200n8 cros_legacy loglevel=9 init=/sbin/init oops=panic panic=-1 root=PARTUUID=35c775e7-3735-d745-93e5-d9e0238f7ed0/PARTNROFF=1 rootwait rw noinitrd vt.global_cursor_default=0 add_efi_memmap boot=local noresume noswap i915.modeset=1 nmi_watchdog=panic,lapic disablevmx=off"
+CONFIG_BOOTARGS=""
+CONFIG_BOOTARGS_SUBST=y
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
+CONFIG_LOGF_FUNC=y
 CONFIG_SPL_LOG=y
 CONFIG_DISPLAY_BOARDINFO_LATE=y
 CONFIG_LAST_STAGE_INIT=y
@@ -55,11 +57,11 @@
 CONFIG_CMD_SATA=y
 CONFIG_CMD_SPI=y
 CONFIG_CMD_USB=y
-# CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_TIME=y
 CONFIG_CMD_SOUND=y
 CONFIG_CMD_BOOTSTAGE=y
 CONFIG_CMD_TPM=y
+CONFIG_CMD_CBFS=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_EXT4=y
 CONFIG_CMD_EXT4_WRITE=y
@@ -72,7 +74,6 @@
 CONFIG_EFI_PARTITION=y
 # CONFIG_SPL_EFI_PARTITION is not set
 CONFIG_ENV_OVERWRITE=y
-# CONFIG_NET is not set
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
 CONFIG_SPL_OF_TRANSLATE=y
@@ -106,10 +107,13 @@
 CONFIG_USB_STORAGE=y
 CONFIG_USB_KEYBOARD=y
 CONFIG_VIDEO_COPY=y
+CONFIG_FS_CBFS=y
 CONFIG_SPL_FS_CBFS=y
+CONFIG_FAT_WRITE=y
 # CONFIG_SPL_USE_TINY_PRINTF is not set
 CONFIG_TPL_USE_TINY_PRINTF=y
 CONFIG_CMD_DHRYSTONE=y
 CONFIG_TPM=y
 # CONFIG_GZIP is not set
+CONFIG_BLOBLIST_TABLES=y
 # CONFIG_EFI_LOADER is not set