Use system api for udelay instead of vendor defined api, and rockchip_udelay() will be removed. Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Use system api for udelay instead of vendor defined api, and rockchip_udelay() will be removed. Signed-off-by: Kever Yang <kever.yang@rock-chips.com>