Don't depend on widgets plugin in QtQuick

Since the accessible directory contains plugins for both the
widgets and quick plugins, we need to specify the precise
plugin, otherwise all QtQuick apps will depend on QtWidgets
on Android.

Change-Id: I8016afc64f8a75cc4ac0a3a69871df9cb2894f8a
Reviewed-by: Christian Stromme <christian.stromme@digia.com>
Removed strange character from MacroAssemblerARM.cpp file.

It caused:
error: stray ‘\302’ in program
error: stray ‘\304’ in program
when cross-compiling for ARM with gcc 4.5

Change-Id: Ibd80a21b436b65b355181b1e304ade22f9ff7404
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>