configs: stm32f746-disco: enable MMC related flags

STM32F469-disco embeds an arm_pl180 mmc IP, so
enable CMD_MMC, DM_MMC and ARM_PL180_MMCI flags.

Also enables all filesystem command related flags :
  _ CMD_EXT2
  _ CMD_EXT4
  _ CMD_FAT
  _ CMD_FS_GENERIC
  _ CMD_GPT
  _ CMD_BOOTZ

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

configs/stm32f746-disco_defconfig

@@ -15,7 +15,11 @@ CONFIG_SYS_PROMPT="U-Boot > "
 CONFIG_AUTOBOOT_KEYED=y
 CONFIG_AUTOBOOT_PROMPT="Hit SPACE in %d seconds to stop autoboot.\n"
 CONFIG_AUTOBOOT_STOP_STR=" "
+CONFIG_CMD_BOOTZ=y
 # CONFIG_CMD_FPGA is not set
+CONFIG_CMD_GPT=y
+# CONFIG_RANDOM_UUID is not set
+CONFIG_CMD_MMC=y
 CONFIG_CMD_SF=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_DHCP=y
@@ -25,14 +29,23 @@ CONFIG_CMD_SNTP=y
 CONFIG_CMD_DNS=y
 CONFIG_CMD_LINK_LOCAL=y
 CONFIG_CMD_TIMER=y
+CONFIG_CMD_EXT2=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+# CONFIG_DOS_PARTITION is not set
+# CONFIG_SPL_EFI_PARTITION is not set
 CONFIG_OF_CONTROL=y
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_NETCONSOLE=y
+# CONFIG_BLK is not set
 CONFIG_CLK=y
 CONFIG_DM_GPIO=y
 CONFIG_MISC=y
 CONFIG_STM32_RCC=y
-# CONFIG_MMC is not set
+CONFIG_DM_MMC=y
+# CONFIG_SPL_DM_MMC is not set
+CONFIG_ARM_PL180_MMCI=y
 CONFIG_MTD=y
 CONFIG_MTD_NOR_FLASH=y
 CONFIG_DM_SPI_FLASH=y