qt5: upgrade to 5.11 Alpha

* use qtwebkit and qtwebkit-examples from dev branch, because there is
  no 5.11 branch (there isn't 5.10 as well, but because nobranch=1 in
  qt5-git.inc nobody noticed).
* qtbase: drop qml-debug options
  removed from qtbase in:
  commit 525f8516c2580018f910cfb99ab5e0e36bd55ab1
  Author: Ulf Hermann <ulf.hermann@qt.io>
  Date:   Fri Oct 6 16:27:09 2017 +0200
  Subject: Remove qml-debug configure flag and feature
* qtgraphicaleffects, qtquickcontrols2, qtquickcontrols,
  qtvirtualkeyboard: add qtdeclarative-native dependency
  needed for qmlcachegen binary
* qtwebkit: update LIC_FILES_CHKSUM and remove PACKAGECONFIGs
  referenced files disappered in:
  commit 6882a04fb36642862b11efe514251d32070c3d65
  Author: Konstantin Tokarev <annulen@yandex.ru>
  Date:   Thu Aug 25 19:20:41 2016 +0300
  Subject: Imported QtWebKit TP3 (git b57bc6801f1876c3220d5a4bfea33d620d477443)

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

2 files changed, 0 insertions, 62 deletions

diff --git a/recipes-qt/qt5/qtwebkit/0001-qtwebkit-fix-QA-issue-bad-RPATH.patch b/recipes-qt/qt5/qtwebkit/0001-qtwebkit-fix-QA-issue-bad-RPATH.patch
deleted file mode 100644
index f35c5d47..00000000
--- a/recipes-qt/qt5/qtwebkit/0001-qtwebkit-fix-QA-issue-bad-RPATH.patch
+++ /dev/null
@@ -1,27 +0,0 @@
-From c4e691a8dd2037d9b359e0de9d4790da9078f74e Mon Sep 17 00:00:00 2001
-From: Trevor Woerner <trevor.woerner@linaro.org>
-Date: Fri, 7 Feb 2014 04:07:17 +0100
-Subject: [PATCH] qtwebkit: fix QA issue (bad RPATH)
-
-Building qtwebkit causes a QA issue such that QtWebPluginProcess and
-QtWebProcess contain bad RPATHs which point into the build location. This fix
-adds a patch to not include the rpath.prf which causes this problem.
-
-Signed-off-by: Trevor Woerner <trevor.woerner@linaro.org>
-Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
----
- Tools/qmake/mkspecs/features/unix/default_post.prf | 1 -
- 1 file changed, 1 deletion(-)
-
-diff --git a/Tools/qmake/mkspecs/features/unix/default_post.prf b/Tools/qmake/mkspecs/features/unix/default_post.prf
-index fd66af6..ef754c3 100644
---- a/Tools/qmake/mkspecs/features/unix/default_post.prf
-+++ b/Tools/qmake/mkspecs/features/unix/default_post.prf
-@@ -61,7 +61,6 @@ linux-*g++* {
-     }
- }
- 
--contains(TEMPLATE, app): CONFIG += rpath
- 
- CONFIG(debug, debug|release)|force_debug_info {
-     # Make ld not cache the symbol tables of input files in memory to avoid memory exhaustion during the linking phase.
diff --git a/recipes-qt/qt5/qtwebkit/0002-Exclude-backtrace-API-for-non-glibc-libraries.patch b/recipes-qt/qt5/qtwebkit/0002-Exclude-backtrace-API-for-non-glibc-libraries.patch
deleted file mode 100644
index 6affd2e6..00000000
--- a/recipes-qt/qt5/qtwebkit/0002-Exclude-backtrace-API-for-non-glibc-libraries.patch
+++ /dev/null
@@ -1,35 +0,0 @@
-From fc2773961eaa536e6a617ded7c1a972d979fa2e4 Mon Sep 17 00:00:00 2001
-From: Khem Raj <raj.khem@gmail.com>
-Date: Fri, 5 Jun 2015 19:55:05 -0700
-Subject: [PATCH] Exclude backtrace() API for non-glibc libraries
-
-It was excluding musl with current checks, so lets make it such that it
-considers only glibc when using backtrace API
-
-Signed-off-by: Khem Raj <raj.khem@gmail.com>
----
- Source/WTF/wtf/Assertions.cpp | 4 ++--
- 1 file changed, 2 insertions(+), 2 deletions(-)
-
-diff --git a/Source/WTF/wtf/Assertions.cpp b/Source/WTF/wtf/Assertions.cpp
-index 1b2091f..ba03a28 100644
---- a/Source/WTF/wtf/Assertions.cpp
-+++ b/Source/WTF/wtf/Assertions.cpp
-@@ -61,7 +61,7 @@
- #include <windows.h>
- #endif
- 
--#if (OS(DARWIN) || (OS(LINUX) && !defined(__UCLIBC__))) && !OS(ANDROID)
-+#if (OS(DARWIN) || (OS(LINUX) && defined (__GLIBC__) && !defined(__UCLIBC__))) && !OS(ANDROID)
- #include <cxxabi.h>
- #include <dlfcn.h>
- #include <execinfo.h>
-@@ -245,7 +245,7 @@ void WTFReportArgumentAssertionFailure(const char* file, int line, const char* f
- 
- void WTFGetBacktrace(void** stack, int* size)
- {
--#if (OS(DARWIN) || (OS(LINUX) && !defined(__UCLIBC__))) && !OS(ANDROID)
-+#if (OS(DARWIN) || (OS(LINUX) && defined(__GLIBC__) && !defined(__UCLIBC__))) && !OS(ANDROID)
-     *size = backtrace(stack, *size);
- #elif OS(WINDOWS) && !OS(WINCE)
-     // The CaptureStackBackTrace function is available in XP, but it is not defined