ARM: S3C64XX: Tidy definition and comments in s3c_dma_has_circular()
ARM: S3C64XX: Tidy definition and comments in s3c_dma_has_circular()

The recent changes to arch/arm/mach-s3c6400/include/mach/dma.h have
left an out of date comment in there as well as accidentally changing
the type of the function.

Fix the commit 54489cd46a3a268ed981c681726c6d690883f076

Signed-off-by: Ben Dooks <1177f64998f284a7348354b8e91cbbe575d9858a@fluff.org>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas