igt.cocci: Replace igt_assert() with igt_assert_CMP() where possible

The integer comparison macros give us better error output by including
the actual values that failed the comparison.

Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>

tests/gem_close_race.c

@@ -140,7 +140,7 @@ static void run(int child)
 	int fd;
 
 	fd = open(device, O_RDWR);
-	igt_assert(fd != -1);
+	igt_assert_neq(fd, -1);
 
 	handle = load(fd);
 	if ((child & 63) == 63)