Pro4 SoC has clock lines for Giga-bit feature and ethernet phy,
and these are mandatory to activate the ethernet controller. This adds
support for the clock lines.
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>