Update Qt5 package sorting priorities

Order:

gcc
gcc_64
clang

mingw48
msvc2010 32bit (Angle)
msvc2010 32bit (OpenGL)
msvc2012 32bit (Angle)
msvc2012 64bit (Angle)
msvc2012 64bit (OpenGL)

Android x86
Android armv5
Android armv7

iOS

Src package

Change-Id: Ic461377f5db0929970a6fccbbbe7ba45e08385e5
Reviewed-by: Akseli Salovaara <akseli.salovaara@digia.com>
Reviewed-by: Iikka Eklund <iikka.eklund@digia.com>