selftests/bpf: fix __jited_unpriv tag name

selftests/bpf: fix __jited_unpriv tag name

__jited_unpriv was using "test_jited=" as its tag name, same as the
priv variant __jited. Fix by using "test_jited_unpriv=".

Fixes: 7d743e4c759c ("selftests/bpf: __jited test tag to check disassembly after jit")
Acked-by: Ihor Solodrai <ihor.solodrai@linux.dev>
Reviewed-by: Puranjay Mohan <puranjay@kernel.org>
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20260410-selftests-global-tags-ordering-v2-1-c566ec9781bf@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>