spi: rcar: add Renesas QSPI support on RSPI

The R8A7790 has QSPI module which is very similar to RSPI.
This patch adds into RSPI module together to supports QSPI module.

Signed-off-by: Hiep Cao Minh <cm-hiep@jinso.co.jp>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index b9c53cc..738facf 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -369,7 +369,7 @@
 
 config SPI_RSPI
 	tristate "Renesas RSPI controller"
-	depends on SUPERH && SH_DMAE_BASE
+	depends on (SUPERH || ARCH_SHMOBILE) && SH_DMAE_BASE
 	help
 	  SPI driver for Renesas RSPI blocks.