[U-Boot] configs: stm32: Enable CONFIG_ENV_VARS_UBOOT_CONFIG

[Tom Rini]

On Tue, Feb 06, 2018 at 10:47:59AM +0100, patrice.chotard at st.com wrote:

> From: Patrice Chotard <patrice.chotard at st.com>
> 
> Enable CONFIG_ENV_VARS_UBOOT_CONFIG for all STM32 boards
> It allows to retrieve the SoC name into the "soc" environment
> variable.
> 
> Signed-off-by: Christophe Priouzeau <christophe.priouzeau at st.com>
> Signed-off-by: Patrice Chotard <patrice.chotard at st.com>
> Reviewed-by: Vikas Manocha <vikas.manocha at st.com>

Applied to u-boot/master, thanks!

-- 
Tom