dt-bindings: Revert "dt-bindings: soc: grf: add naneng combo phy register compatible"

This reverts commit b3df807e ("dt-bindings: soc: grf: add naneng
combo phy register compatible") as that was wrongly merged, so better to
drop the wrong patch
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20220302143427.447748-1-vkoul@kernel.orgSigned-off-by: Vinod Koul <vkoul@kernel.org>

Documentation/devicetree/bindings/soc/rockchip/grf.yaml

@@ -38,8 +38,6 @@ properties:
               - rockchip,rk3399-grf
               - rockchip,rk3399-pmugrf
               - rockchip,rk3568-grf
-              - rockchip,rk3568-pipe-grf
-              - rockchip,rk3568-pipe-phy-grf
               - rockchip,rk3568-pmugrf
               - rockchip,rv1108-grf
               - rockchip,rv1108-pmugrf