UPSTREAM: clk: rockchip: rk3036: enable the CLK_IGNORE_UNUSED flag for hclk_vio_bus

UPSTREAM: clk: rockchip: rk3036: enable the CLK_IGNORE_UNUSED flag for hclk_vio_bus

HCLK_VIO_BUS is the noc bus controller clock for display module,
due to it shouldn't belong to any driver, but we need it enabled,
so just mark it as the CLK_IGNORE_UNUSED flag.

Change-Id: I041bb98d71ad7d5f04e92b44a6fef850c8007c47
Signed-off-by: Yakir Yang <ykk@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
(cherry picked from git.kernel.org next/linux-next.git master
 commit ee16bbd289a63e3036d31dcd809e411e9a5dbd5d)