Since Buildroot commit [1] "package/llvm-project: bump to version 21.1.4", bcc is failing at compilation time. This commit adds an upstream patch to fix this issue. [1] https://gitlab.com/buildroot.org/buildroot/-/commit/d6a7c0226333138721ae722b89e31a82cfb22ae0 Signed-off-by: Julien Olivain <ju.o@free.fr>