Say Y here if you are using the SMDK2440.
config SMDK2440_CPU2440
- bool "SMDK2440 with S3C2440 cpu module"
+ bool "SMDK2440 with S3C2440 CPU module"
depends on ARCH_S3C2440
default y if ARCH_S3C2440
select CPU_S3C2440
config SMDK2440_CPU2442
- bool "SMDM2440 with S3C2442 cpu module"
+ bool "SMDM2440 with S3C2442 CPU module"
depends on ARCH_S3C2440
select CPU_S3C2442