Make QNX a separate OS type

Limits conflicts with Linux tool chains and debuggers.

Change-Id: Ie6408aecbc2828e8be53c46cf579441ccaba19bb
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/plugins/qnx/qnxtoolchain.cpp

@@ -155,6 +155,11 @@ bool QnxToolChain::fromMap(const QVariantMap &data)
         return false;
 
     m_sdpPath = data.value(QLatin1String(CompilerSdpPath)).toString();
+
+    // Make the ABIs QNX specific (if they aren't already).
+    setSupportedAbis(QnxUtils::convertAbis(supportedAbis()));
+    setTargetAbi(QnxUtils::convertAbi(targetAbi()));
+
     return true;
 }