UPSTREAM: drm/rockchip: vop: add rk3036 vop support

UPSTREAM: drm/rockchip: vop: add rk3036 vop support

RK3036 registers layout is quite difference with rk3288 layout,
The IC design with different framework, rk3036 vop is VOP LITE,
and rk3288 is VOP FULL.

RK3036 support two overlay plane and one hwc plane, max output
resolution is 1080p. it support IOMMU, and its IOMMU same as
rk3288's.

Change-Id: Ib713b252dc6f2d4bffa3183698768c6f23236ccf
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
(cherry picked from commit f7673453506035a904b6fb7a36dd6fb101366cd7)