GfA/linux_kernel: linux kernel based on RobertCNelsons patchset https://github.com/RobertCNelson/bb-kernel @ ae65a26dd387fec18dd1645fbb4b901b379cd6f5

Wang Nan edd695b032 perf clang: Compile BPF script using builtin clang support		%!s(int64=8) %!d(string=hai) anos
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Build	00b86691c7 perf clang: Add builtin clang support ant test case	%!s(int64=8) %!d(string=hai) anos
clang-c.h	edd695b032 perf clang: Compile BPF script using builtin clang support	%!s(int64=8) %!d(string=hai) anos
clang-test.cpp	5e08a76525 perf clang: Support compile IR to BPF object and add testcase	%!s(int64=8) %!d(string=hai) anos
clang.cpp	edd695b032 perf clang: Compile BPF script using builtin clang support	%!s(int64=8) %!d(string=hai) anos
clang.h	5e08a76525 perf clang: Support compile IR to BPF object and add testcase	%!s(int64=8) %!d(string=hai) anos