Qnx: Imroving kit, qt-version, toolchain, debugger names

Using "BlackBerry VERSION Device" style to better suite for manual/custom
API Levels where targetName is usually incomplete or too-generic.

Change-Id: I955fd7b0ba836b52f6a1d9e26c31ff142ce31ca9
Reviewed-by: Mehdi Fekari <mfekari@blackberry.com>
Reviewed-by: Nicolas Arnaud-Cormos <nicolas@kdab.com>
Reviewed-by: David Kaspar <dkaspar@blackberry.com>