ARM: S3C2440: Fix SMDK2440 SoC selection

Fix the entries for SMDK2440 should have allowed for S3C2440 or S3C2440
SoC selection but this depended on ARCH_S3C2440 which has not been around
for a while.

Remove the dependency to allow this to be selected.
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

arch/arm/mach-s3c2440/Kconfig

@@ -105,14 +105,12 @@ config MACH_NEXCODER_2440
 
 config SMDK2440_CPU2440
 	bool "SMDK2440 with S3C2440 CPU module"
-	depends on ARCH_S3C2440
 	default y if ARCH_S3C2440
 	select S3C2440_XTAL_16934400
 	select CPU_S3C2440
 
 config SMDK2440_CPU2442
 	bool "SMDM2440 with S3C2442 CPU module"
-	depends on ARCH_S3C2440
 	select CPU_S3C2442
 
 config MACH_AT2440EVB