Draft: drm/msm: GPU updates for v6.10

• a7xx perfcntr reg fixes
• MAINTAINERS updates
• a750 devcoredump support

Note, these two series could maybe land this cycle if we coordinate the related qcom/drivers changes:

• https://patchwork.freedesktop.org/series/132065/
• https://patchwork.freedesktop.org/series/132911/