Add pinctrl and SPI devices for QSPI on Koelsch.
Add Spansion s25fl512s SPI FLASH and MTD partitions.
Signed-off-by: NGeert Uytterhoeven <geert+renesas@linux-m68k.org>
Acked-by: NMagnus Damm <damm@opensource.se>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>