spi: omap2: use SUPERH, not SH

Commit 0079aae0f1e6 ("spi: omap2: Add build dependencies for
writel_relaxed()") added an optional Kconfig dependency on SH. That
Kconfig symbol doesn't exist. Apparently SUPERH was intended. Use that.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index ba9310b..205dbfe 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -307,7 +307,7 @@
 
 config SPI_OMAP24XX
 	tristate "McSPI driver for OMAP"
-	depends on ARM || ARM64 || AVR32 || HEXAGON || MIPS || SH
+	depends on ARM || ARM64 || AVR32 || HEXAGON || MIPS || SUPERH
 	depends on ARCH_OMAP2PLUS || COMPILE_TEST
 	help
 	  SPI master controller for OMAP24XX and later Multichannel SPI