STM32F4 and STM32F7 MCUs has a SDIO controller that looks like
an ARM PL810.
This patch adds the STM32 variant so that mmci driver supports it.
Signed-off-by: NAndrea Merello <andrea.merello@gmail.com>
Signed-off-by: NPatrice Chotard <patrice.chotard@st.com>
Reviewed-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NUlf Hansson <ulf.hansson@linaro.org>