The use common of_clk_init() function simplifies the clock initialization
and adds handling of the DT "fixed-clock".
Signed-off-by: NJean-Francois Moine <moinejf@free.fr>
Signed-off-by: NMike Turquette <mturquette@linaro.org>
[mturquette@linaro.org: fixed $SUBJECT to reflect correct file path]