[ARM] 4511/1: S3C: updated LLSERIAL Kconfig defines for CPU support

Update the Kconfig to create configuration options based on which
CPUs are supported for the low level serial code. This means that
the debug macros can be optimised for the type(s) of CPU that are
being used.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-s3c2440/Kconfig b/arch/arm/mach-s3c2440/Kconfig
index e3bfda0..f1915bd 100644
--- a/arch/arm/mach-s3c2440/Kconfig
+++ b/arch/arm/mach-s3c2440/Kconfig
@@ -12,6 +12,7 @@
 	select S3C2410_GPIO
 	select S3C2440_DMA if S3C2410_DMA
 	select CPU_S3C244X
+	select CPU_LLSERIAL_S3C2440
 	help
 	  Support for S3C2440 Samsung Mobile CPU based systems.