QNX: Factorize patch_qnx6_prl_files() into patch_qnx6_files()

so we can reuse the code to patch .pc and .la files later on.

Change-Id: I0fb539a7c6b55c7968fda227477e529a633fad6b
Reviewed-by: Wolfgang Bremer <wbremer@blackberry.com>
Reviewed-by: Sergio Ahumada <sahumada@blackberry.com>
QNX: Patch hard coded paths in .pc and .la files

Remove hard coded paths from the build machine in .pc and .la files

Change-Id: I40c1de73c2ba45ca30a986026ddec2862cf4c558
Reviewed-by: Wolfgang Bremer <wbremer@blackberry.com>
Reviewed-by: Sergio Ahumada <sahumada@blackberry.com>