test: fix out-of-tree builds
test: fix out-of-tree builds

Some tests do #include  relative to the top-level, so add top_srcdir to the
include path as otherwise out-of-tree builds can't find the files.

Signed-off-by: Ross Burton <cd36ec7a67dfb8d589bc66b85fd0a6cf213f3854@intel.com>
Signed-off-by: Henrik Rydberg <b7088a9c70345a9ab94cacab3cc3888d0a7dc884@euromail.se>

jiixyj/mtdev,jiixyj/mtdev