Retronix R-Car V4H Sparrow Hawk EVTA1 is populated with Spansion S25FS512S,
EVTB1 is populated with Winbond W77Q51NW. Describe the SPI NOR using generic
"jedec,spi-nor" compatible, because both flashes can be auto-detected based
on their built-in IDs.
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>