add mmp specific clocks including apbc cloks, apmu clocks,
and pll2, fraction clocks
Signed-off-by: NChao Xie <xiechao.mail@gmail.com>
Reviewed-by: NArnd Bergmann <arnd@arndb.de>
Acked-by: NHaojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: NMike Turquette <mturquette@linaro.org>