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

Hendrik Brueckner 95f28190aa tools include arch: Grab a copy of errno.h for arch's supported by perf		7 lat temu
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bitsperlong.h	6f52b16c5b License cleanup: add SPDX license identifier to uapi header files with no license	7 lat temu
errno.h	95f28190aa tools include arch: Grab a copy of errno.h for arch's supported by perf	7 lat temu
mman.h	6f52b16c5b License cleanup: add SPDX license identifier to uapi header files with no license	7 lat temu