perf tools: Add arch/*/include/generated/ to .gitignore

Commit 1b700c9 ("perf tools: Build syscall table .c header from
kernel's syscall_64.tbl") automatically generates per-arch syscall table
arrays, e.g.:

    arch/x86/include/generated/asm/syscalls_64.c

So add this directory to .gitignore

Signed-off-by: Taeung Song <[email protected]>
Cc: Adrian Hunter <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Masami Hiramatsu <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Wang Nan <[email protected]>
Fixes: 1b700c9 ("perf tools: Build syscall table .c header from kernel's syscall_64.tbl")
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

Author: Taeung

tools/perf/.gitignore

@@ -30,3 +30,4 @@ config.mak.autogen
 *.pyo
 .config-detected
 util/intel-pt-decoder/inat-tables.c
+arch/*/include/generated/