This test has history of hanging on arm trying to read from /proc/kmsg and it has
reappeared. Disable the test since hanging autobuilder builds are annoying. I suspect
there is a genuine race on ARM somewhere here in the kernel.
(From OE-Core rev: e8f5bd9dc35e2da014412bb35fbd2f96d0b1c5a8)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>