Enable QML debugging also for generic remote linux

Add -qmljsdebugger= argument to command line, like we do for other
devices, too.

Task-number: QTCREATORBUG-11553
Change-Id: I81f9b2fde3d734cd0fc04df9d953158884e0f241
Reviewed-by: Christian Kandeler <christian.kandeler@digia.com>
Reviewed-by: Jonathan Liu <net147@gmail.com>