spi: omap2: Add build dependencies for writel_relaxed()
It's not reliably available.
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index eb1f1ef..49bf356 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -301,6 +301,7 @@
config SPI_OMAP24XX
tristate "McSPI driver for OMAP"
+ depends on ARM || ARM64 || AVR32 || HEXAGON || MIPS || SH
depends on ARCH_OMAP2PLUS || COMPILE_TEST
help
SPI master controller for OMAP24XX and later Multichannel SPI