When the hsmmc clock lookup was changed to be lookup tables based,
it seems the S3C2443 was forgotten.

As subsequent patches will want to add more lookups to it, this
patch adds the base table with the missing hsmmc lookup.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>