ARM: rmobile: Convert Gen2 Stout, Porter, Silk to DM_SPI{,_FLASH}

Enable DM_SPI and DM_SPI_FLASH in U-Boot on H2 Stout, M2W Porter and E3 Silk.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
4 files changed