Changes since v2:
* Split code and Makefile changes
* Add a fix for a comment warning in etm3x
* Add some sparse checker fixes in coresight-cfg-afdo.c
* Fix the 0 instead of NULL warnings reported by kernel test robot
James Clark (4):
coresight: Fix uninitialized struct warnings
coresight: etm3x: Fix build warning
coresight: Fix undeclared variable warnings from sparse checker
coresight: Make current W=1 warnings default