CONFIG_S3C_PL330_DMA is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CONFIG_S3C_PL330_DMA (not configurable)

modulename: s3c-pl330.ko

configname: CONFIG_S3C_PL330_DMA

Linux Kernel Configuration
└─>S3C_PL330_DMA
In linux kernel since version 2.6.35 (release Date: 2010-08-01)  
S3C DMA API Driver for PL330 DMAC.

source code:
selects
CONFIG_PL330


is depended by
CONFIG_CPU_S5P6450