dts: stm32: Populate "st,stm32h7-spi" compatible when required

When required, add "st,stm32h7-spi" compatible on stm32 compatible
series (today: stm32h7, stm32mp1 and stm32mp1).

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
3 files changed