This RFC patch series cleans up the tcg tests in tests/tcg folder.
The tests have bit-rotten and were not compiling or running. I fixed
the Makefiles to make them compile though there are tests which do not
pass. I plan to fix them if you think this approach is reasonable.
The motivation is to add litmus tests to each arch and have them run
using the 'make check' target to test consistency on TCG.
There are no maintainers listed for this test folder. So I am cc'ing
people who I think might be interested.