spi: spi-orion: enable the driver on ARCH_MVEBU platforms

The SPI controller managed by the spi-orion is used on the new ARM64
Marvell Armada 7K/8K SoCs. In order to allow this driver to be built
for this platform, we allow it to be selected for ARCH_MVEBU=y
configurations.
Signed-off-by: NThomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: NMark Brown <broonie@kernel.org>

drivers/spi/Kconfig

@@ -432,7 +432,7 @@ config SPI_OMAP_100K
 
 config SPI_ORION
 	tristate "Orion SPI master"
-	depends on PLAT_ORION || COMPILE_TEST
+	depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
 	help
 	  This enables using the SPI master controller on the Orion chips.