stm32mp1: activate DFU support and command MTD

Add support of DFU for MMC, MTD, RAM and MTD command.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
diff --git a/configs/stm32mp15_optee_defconfig b/configs/stm32mp15_optee_defconfig
index 8f4199d..ac393ab 100644
--- a/configs/stm32mp15_optee_defconfig
+++ b/configs/stm32mp15_optee_defconfig
@@ -23,6 +23,7 @@
 CONFIG_CMD_GPT=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
+CONFIG_CMD_MTD=y
 CONFIG_CMD_REMOTEPROC=y
 CONFIG_CMD_SPI=y
 CONFIG_CMD_USB=y
@@ -51,6 +52,9 @@
 CONFIG_ENV_UBI_VOLUME_REDUND="uboot_config_r"
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_STM32_ADC=y
+CONFIG_DFU_MMC=y
+CONFIG_DFU_RAM=y
+CONFIG_DFU_MTD=y
 CONFIG_USB_FUNCTION_FASTBOOT=y
 CONFIG_FASTBOOT_BUF_ADDR=0xC0000000
 CONFIG_FASTBOOT_BUF_SIZE=0x02000000