Merge remote-tracking branch 'origin/5.9.4' into 5.9

Change-Id: Ifc2e3f0ccb56d2ae319d5a506073e95debdd2daa

dist/changes-5.9.4

+Qt 5.9.4 is a bug-fix release. It maintains both forward and backward
+compatibility (source and binary) with Qt 5.9.0.
+
+For more details, refer to the online documentation included in this
+distribution. The documentation is also available online:
+
+http://doc.qt.io/qt-5/index.html
+
+The Qt version 5.9 series is binary compatible with the 5.8.x series.
+Applications compiled for 5.8 will continue to run with 5.9.
+
+Some of the changes listed in this file include issue tracking numbers
+corresponding to tasks in the Qt Bug Tracker:
+
+https://bugreports.qt.io/
+
+Each of these identifiers can be entered in the bug tracker to obtain more
+information about a particular change.
+
+****************************************************************************
+*                               Qt 5.9.4 Changes                           *
+****************************************************************************
+
+ - This release contains only minor code improvements.
+

doc/src/platforms/supported-platforms.qdocinc

@@ -98,7 +98,7 @@ Mobile Platforms: \l {Qt for Android}{Android},
          \l{Qt for VxWorks}{VxWorks}
     \row \li \l {Qt for Embedded Linux}{Embedded Linux}
          \li GCC \li ARM Cortex-A, Intel boards with GCC-based toolchains
-    \row \li QNX 6.6.0, 7.0 (armv7le and x86)
+    \row \li QNX 6.6 (armv7le and x86), 7.0 (armv7le, arm64 and x86)
          \li \b {GCC as provided by QNX}
          \li Hosts: \b {RHEL 6.6 (64-bit)}, \b {RHEL 7.2 (64-bit)},
              \b {Windows 10 (64-bit)}, \b {Windows 7 (32-bit)}