arm: dts: qcom: sdm845: Drop the cheza hack now that we hack it on in DRM.

This reverts commit 5b17993f1d2e988ec7f67f2d796754396dc413c3.

Signed-off-by: Eric Anholt <eric@anholt.net>

arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi

@@ -767,13 +767,8 @@ &mdss {
 	status = "okay";
 };
 
-/*
- * Cheza fw does not properly program the GPU aperture to allow the
- * GPU to update the SMMU pagetables for context switches.  Work
- * around this by dropping the "qcom,adreno-smmu" compat string.
- */
-&adreno_smmu {
-	compatible = "qcom,sdm845-smmu-v2", "qcom,smmu-v2";
+&mdss_mdp {
+	status = "okay";
 };
 
 &mss_pil {