ARM: configs: stm32: Add I2C F7 support in STM32 defconfig

This patch adds I2C F7 support for STM32

Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>

arch/arm/configs/stm32_defconfig

@@ -49,6 +49,7 @@ CONFIG_SERIAL_STM32_CONSOLE=y
 CONFIG_I2C=y
 CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_STM32F4=y
+CONFIG_I2C_STM32F7=y
 CONFIG_GPIO_STMPE=y
 # CONFIG_HWMON is not set
 CONFIG_WATCHDOG=y