selftests/bpf: Add a missing newline to the "bad arch spec" message

Fix error messages like this one:

  parse_test_spec:FAIL:569 bad arch spec: 's390x'process_subtest:FAIL:1153 Can't parse test spec for program 'may_goto_simple'

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Link: https://lore.kernel.org/r/20250821113339.292434-3-iii@linux.ibm.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Ilya Leoshkevich 2025-08-21 13:25:56 +02:00 • committed by Alexei Starovoitov
commit b68dfcc12a