seokj/linux-rockchip: linux kernel with rockchip specific wip patches. @ a121103c922847ba5010819a3f250f1f7fc84ab8

Steven Rostedt (Red Hat) 8cf868affd tracing: Have the reg function allow to fail		8 lat temu
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Makefile	44ad18e0a6 tracing: update sample event documentation	15 lat temu
trace-events-sample.c	8cf868affd tracing: Have the reg function allow to fail	8 lat temu
trace-events-sample.h	8cf868affd tracing: Have the reg function allow to fail	8 lat temu