QNX: Patch hard coded paths in .prl files

Remove hard coded paths from the build machine in .prl files

Change-Id: I072f7c3b0a2a7ab0c587f6561269131ec3d6de7f
Reviewed-by: Wolfgang Bremer <wbremer@blackberry.com>
Reviewed-by: Sergio Ahumada <sahumada@blackberry.com>