Make the USB feature really available. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Since no clock driver is implemented for peripherals in U-Boot yet, this property is needed for the serial driver to set up the divisor register. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>