Add UniPhier platform specific glue layer to support USB3 Host mode
on Synopsys DWC3 IP.
Change-Id: I51194b1b15860f2813029b53ad7e5deec63344ff
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
(cherry picked from commit dc04b35ef2c8c04cb362758ec467777348ef3f15)