commit efbc7bd90f60c71b8e786ee767952bc22fc3666d upstream.Please apply ("staging: mt7621-dts: change palmbus address to lower case") to 5.15. It solves the duplicate label error caused by the node name being uppercase on gbpc1.dts, but lowercase on mt7621.dtsi.
drivers/staging/mt7621-dts/gbpc1.dts:22.28-26.4: ERROR (duplicate_label): /palmbus@1E000000: Duplicate label 'palmbus' on /palmbus@1E000000 and /palmbus@1e000000
ERROR: Input tree has errors, aborting (use -f to force output) Arınç
