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committer Chris Ball <cjb@laptop.org> 1332865219 -0400

mmc: sh_mobile_sdhi: add a callback for board specific init code

Some boards need a preliminary setup stage to prepare the sdhi
controller.

Signed-off-by: Bastian Hecht <hechtb@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>