ARM: dts: stm32: introduce stm32h7-pinctrl.dtsi to support stm32h750
This patch is intend to add support stm32h750 value line,
just add stm32h7-pinctrl.dtsi for extending, with following changes:
- rename stm32h743-pinctrl.dtsi to stm32h7-pinctrl.dtsi
- move 'pin-controller' from stm32h7-pinctrl.dtsi to stm32h743.dtsi
- update stm32h743i-{disco, eval}.dts to include stm32h7-pinctrl.dtsi
Signed-off-by: dillon min <dillon.minfei@gmail.com> Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>