Add initial clock driver for Allwinner A10/A20.
- Implement USB ahb and USB clocks via ccu_clk_gate table
for A10/A20, so it can accessed in common clk enable and
disable functions from clk_sunxi.c
- Implement USB resets via ccu_reset table for A10/A20,
so it can accessed in common reset deassert and assert
functions from reset-sunxi.c
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
