spi: rspi: Remove dependency on DMAE for SHMOBILE

On ARM-based SHMOBILE, the rspi driver builds and works fine without the
DMA controller driver, hence relax the dependencies.

Signed-off-by: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
1 file changed