configs: stmark2: add support for mmc

Add support for mmc.

Signed-off-by: Angelo Dureghello <angelo@kernel-space.org>

---
Changes in v2:
- recreated by make menuconfig

configs/stmark2_defconfig

@@ -3,19 +3,19 @@ CONFIG_TEXT_BASE=0x47E00000
 CONFIG_SYS_MALLOC_LEN=0x40000
 CONFIG_SF_DEFAULT_SPEED=50000000
 CONFIG_ENV_SIZE=0x2000
-CONFIG_ENV_OFFSET=0x40000
+CONFIG_ENV_OFFSET=0x80000
 CONFIG_ENV_SECT_SIZE=0x10000
 CONFIG_DEFAULT_DEVICE_TREE="stmark2"
-CONFIG_SYS_MONITOR_LEN=262144
-CONFIG_SYS_LOAD_ADDR=0x40010000
+CONFIG_SYS_MONITOR_LEN=327680
+CONFIG_SYS_LOAD_ADDR=0x42000000
 CONFIG_TARGET_STMARK2=y
 CONFIG_SYS_BARGSIZE=256
 CONFIG_SYS_MONITOR_BASE=0x47E00400
 CONFIG_TIMESTAMP=y
 CONFIG_USE_BOOTARGS=y
-CONFIG_BOOTARGS="console=ttyS0,115200 root=/dev/ram0 rw rootfstype=ramfs rdinit=/bin/init devtmpfs.mount=1"
+CONFIG_BOOTARGS="console=ttyS0,115200 root=/dev/ram0 rw rootfstype=ramfs rdinit=/sbin/init devtmpfs.mount=1"
 CONFIG_USE_BOOTCOMMAND=y
-CONFIG_BOOTCOMMAND="sf probe 0:1 50000000; sf read ${loadaddr} 0x100000 ${kern_size}; bootm ${loadaddr}"
+CONFIG_BOOTCOMMAND="run boot_sd; bootm ${loadaddr} ${loadaddr_ramfs}"
 CONFIG_SYS_PBSIZE=283
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_SYS_MALLOC_BOOTPARAMS=y
@@ -28,9 +28,14 @@ CONFIG_SYS_PROMPT="stmark2 $ "
 # CONFIG_CMD_IMPORTENV is not set
 CONFIG_CMD_I2C=y
 # CONFIG_CMD_LOADS is not set
+CONFIG_CMD_MMC=y
 CONFIG_CMD_SPI=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_CACHE=y
+CONFIG_CMD_EXT2=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
 CONFIG_CMD_MTDPARTS=y
 CONFIG_MTDIDS_DEFAULT="nor0=spi-flash.0"
 CONFIG_MTDPARTS_DEFAULT="mtdparts=spi-flash.0:1m(u-boot),7m(kernel),-(rootfs)"
@@ -42,6 +47,9 @@ CONFIG_HOSTNAME="stmark2"
 CONFIG_NO_NET=y
 CONFIG_DM_I2C=y
 CONFIG_SYS_I2C_FSL=y
+CONFIG_MMC=y
+CONFIG_FSL_ESDHC_IMX=y
+CONFIG_SYS_FSL_ESDHC_HAS_DDR_MODE=y
 CONFIG_MTD=y
 CONFIG_DM_SPI_FLASH=y
 CONFIG_SPI_FLASH_ISSI=y