Don't build ANGLE while xcompile for QNX

Change-Id: Iacc0f4bb776943b21a94b52417a77112facad20f
Reviewed-by: Wolfgang Bremer <wbremer@blackberry.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>

tools/configure/configureapp.cpp

@@ -1647,6 +1647,7 @@ void Configure::applySpecSpecifics()
         dictionary["STACK_PROTECTOR_STRONG"] = "auto";
         dictionary["SLOG2"]                 = "auto";
         dictionary["QT_XKBCOMMON"]          = "no";
+        dictionary[ "ANGLE" ]               = "no";
     } else if (platform() == ANDROID) {
         dictionary[ "REDUCE_EXPORTS" ]      = "yes";
         dictionary[ "BUILD" ]               = "release";