ARM: s5pv210_defconfig: Update for removing s5pc110_defconfig

Now that S5PC110 machines and S5PV210 machines can be built into
one kernel, update mach-s5pv210/Kconfig and s5pv210_defconfig.

Tested on Aquila(S5PC110), GONI(S5PC110), SMDKC110(S5PC110)
and SMDKV210(S5PV210).

Created and tested against linux-2.6.35-rc5.

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>