Integrate linux-imx-kuk/merge_d18_fixes

Commit: seco-ne/kernel/linux-imx-kuk@44bea8a5

arm64:dts:seco: Remove LCD0 enable hogging from imx8mp-d18

The display and backlight enable pins are configured in the respective display DTs. Remove them from the imx8mp-d18 base DT.

--

Commit: seco-ne/kernel/linux-imx-kuk@2a7c03c4

arm64:dts:seco: Fix removal of nodes from imx8mp-d18.dtsi

The deletion of the B79 nodes didn't work as expected. Rewrote all deletions to fix this.