fdts: stm32mp1: add alternative SDMMC2 pins to the pinctrl

The new pins—PA8, PA9, PE5, and PC7—are described in a new pinctrl node
named “sdmmc2-d47-3”, AKA phandle “sdmmc2_d47_pins_d”. These names are
identical to their Linux kernel counterparts (commit
7af08140979a6e7e12b78c93b8625c8d25b084e2).

Signed-off-by: Grzegorz Szymaszek <gszymaszek@short.pl>
Change-Id: Ie6a019f4361790f6b5d4910ce1e7b507a6c6a21a
1 file changed