perf tools: Fix build error on generated/fs_at_flags_array.c

perf tools: Fix build error on generated/fs_at_flags_array.c

It should only have generic flags in the array but the recent header
sync brought a new flags to fcntl.h and caused a build error.  Let's
update the shell script to exclude flags specific to name_to_handle_at().

    CC      trace/beauty/fs_at_flags.o
  In file included from trace/beauty/fs_at_flags.c:21:
  tools/perf/trace/beauty/generated/fs_at_flags_array.c:13:30: error: initialized field overwritten [-Werror=override-init]
     13 |         [ilog2(0x002) + 1] = "HANDLE_CONNECTABLE",
        |                              ^~~~~~~~~~~~~~~~~~~~
  tools/perf/trace/beauty/generated/fs_at_flags_array.c:13:30: note: (near initialization for ‘fs_at_flags[2]’)

Reviewed-by: James Clark <james.clark@linaro.org>
Link: https://lore.kernel.org/r/20241203035349.1901262-12-namhyung@kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>