ARM: S3C64XX: Enable TCM support

The S3C64xx CPUs have TCMs so enable the kernel support for it
on these systems.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>