selftests: media_tests: fix spelling mistake: "iternations" -> "iterations"

Trivial fix to spelling mistake in message text
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>

tools/testing/selftests/media_tests/media_device_test.c

@@ -88,7 +88,7 @@ int main(int argc, char **argv)
 	       "other Oops in the dmesg. Enable KaSan kernel\n"
 	       "config option for use-after-free error detection.\n\n");
 
-	printf("Running test for %d iternations\n", count);
+	printf("Running test for %d iterations\n", count);
 
 	while (count > 0) {
 		ret = ioctl(fd, MEDIA_IOC_DEVICE_INFO, &mdi);