This patch enables the TWD fixed factor clock to be specified from
Device Tree via phandles to the "smp-twd-clock" node.
Acked-by: NMike Turquette <mturquette@linaro.org>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>