UPSTREAM: spi/rockchip: add the rk3036/rk3228/rk3368 to match for driver

UPSTREAM: spi/rockchip: add the rk3036/rk3228/rk3368 to match for driver

In gerenal, the "rockchip,rockchip-spi" string will match the dts
that's great in spi driver. After all the most of rockchip SoCs ar
same spi controller.

Then, we should keep the old style to match the dts various.

Change-Id: Ib6e7b6e778e875f644a832a6c02d94bca8d60b48
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
(cherry picked from git.kernel.org next/linux-next.git master
 commit aa29ea3df27dbba19ef59023d0f7330f2fdc58ae)