tests: enable running non-native architecture tests
tests: enable running non-native architecture tests

Support running non-native architecture tests buy prefixing the
architecture with a "+" in the test file.  Example:

 test type: bpf-sim
 00-test	+x86	read	N	N	N	N	N	N
 00-test	+x86_64	read	N	N	N	N	N	N

Signed-off-by: Paul Moore <88a1d58bf22a647dce58dd91f9595600dceabba9@redhat.com>

seccomp/libseccomp,amluto/libseccomp,amluto/libseccomp,seccomp/libseccomp,amluto/libseccomp,seccomp/libseccomp