tests/tcg/arm: add ARMv6-M UNDEFINED 32-bit instruction test

Test that 32-bit instructions declared UNDEFINED in the ARMv6-M
Reference Manual really do raise an exception.  Also test that the 6
32-bit instructions defined in the ARMv6-M Reference Manual do not raise
an exception.

Based-on: <20181029194519.15628-1-stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20181129185113.30353-1-stefanha@redhat.com>
[AJB: integrated into system tests]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
3 files changed