Enable tst_qfiledialog2 on OSX

Change-Id: I7147d326b0f5bb218f4dbc013ed82efb4c1e1440
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Reviewed-by: Paul Olav Tvete <paul.tvete@theqtcompany.com>
Enable tst_QGraphicsView on OSX

Change-Id: If1cec2ff90ff0a4bdcfdd0e21aa5c2118ce4e862
Reviewed-by: Paul Olav Tvete <paul.tvete@theqtcompany.com>
Android: Compile for MIPS

The qt_memfill32_asm_mips_dsp function is only declared if
QT_COMPILER_SUPPORTS_MIPS_DSP is defined, so we can't reference it
unless the same macro is defined.

Change-Id: Ib959b4b969b699ca78804394206266469b4ebf64
Task-number: QTBUG-36017
Reviewed-by: Paul Olav Tvete <paul.tvete@theqtcompany.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>