configs: stm32mp15: enable ADC

Enable ADC on stm32mp15.
- CONFIG_CMD_ADC
- CONFIG_STM32_ADC

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/stm32mp15_basic_defconfig b/configs/stm32mp15_basic_defconfig
index c72a440..7a9a83e 100644
--- a/configs/stm32mp15_basic_defconfig
+++ b/configs/stm32mp15_basic_defconfig
@@ -18,6 +18,7 @@
 # CONFIG_CMD_EXPORTENV is not set
 # CONFIG_CMD_IMPORTENV is not set
 CONFIG_CMD_MEMINFO=y
+CONFIG_CMD_ADC=y
 CONFIG_CMD_FUSE=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_GPT=y
@@ -27,6 +28,7 @@
 CONFIG_CMD_REGULATOR=y
 CONFIG_CMD_EXT4_WRITE=y
 # CONFIG_SPL_DOS_PARTITION is not set
+CONFIG_STM32_ADC=y
 CONFIG_DM_I2C=y
 CONFIG_SYS_I2C_STM32F7=y
 CONFIG_DM_MMC=y