[PATCH] I2C: fix sx200_acb build on other arches

scx200_acb is only useful on a few Geode-based systems, and won't
compile on non-x86 systems due to the lack of asm/msr.h, as reported
by Andrew Morton. Thus, we should make that driver depend on X86.
Signed-off-by: Jean Delvare <khali@linux-fr.org>

drivers/i2c/busses/Kconfig

@@ -390,7 +390,7 @@ config SCx200_I2C_SDA
 
 config SCx200_ACB
 	tristate "Geode ACCESS.bus support"
-	depends on I2C && PCI
+	depends on X86_32 && I2C && PCI
 	help
 	  Enable the use of the ACCESS.bus controllers on the Geode SCx200 and
 	  SC1100 processors and the CS5535 and CS5536 Geode companion devices.