tests: Update .gitignore for test-int128 and test-bitops

Forgotten in commit 6046c620 and 3464700f.

Cc: qemu-stable@nongnu.org
Reviewed-by: NAndreas Färber <afaerber@suse.de>
Reviewed-by: NLaszlo Ersek <lersek@redhat.com>
Signed-off-by: NMarkus Armbruster <armbru@redhat.com>
Signed-off-by: NMichael Tokarev <mjt@tls.msk.ru>
(cherry picked from commit 9dbb52e8)

Conflicts:

	tests/.gitignore

*removed post-1.6 additions from diff
Signed-off-by: NMichael Roth <mdroth@linux.vnet.ibm.com>

tests/.gitignore

@@ -5,8 +5,10 @@ check-qjson
 check-qlist
 check-qstring
 test-aio
+test-bitops
 test-cutils
 test-hbitmap
+test-int128
 test-iov
 test-mul64
 test-qapi-types.[ch]