omap2: Convert ARCH_OMAP24XX to ARCH_OMAP2

Convert ARCH_OMAP24XX to ARCH_OMAP2

Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index f55eb01..23bd252 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -164,7 +164,7 @@
 
 config SPI_OMAP24XX
 	tristate "McSPI driver for OMAP24xx/OMAP34xx"
-	depends on ARCH_OMAP24XX || ARCH_OMAP34XX
+	depends on ARCH_OMAP2 || ARCH_OMAP34XX
 	help
 	  SPI master controller for OMAP24xx/OMAP34xx Multichannel SPI
 	  (McSPI) modules.