QNX: Skip modules that are not supported

skip the following unsupported modules

 - qtandroidextras
 - qtmacextras
 - qtwinextras
 - qtx11extras

also rename the old mkspec qnx-armv7le-qcc -> qnx-armle-v7-qcc

Change-Id: Ib1cc78358fa8f2f64dc773a278dea96c2e4c257d
Reviewed-by: Wolfgang Bremer <wbremer@blackberry.com>
Reviewed-by: Sergio Ahumada <sahumada@blackberry.com>