Update submodules on '5.6' in qt5

Change-Id: I6635f499760dbd4b58e0c65150c886b64ece8391
Reviewed-by: Liang Qi <liang.qi@qt.io>

diff --git a/qtbase b/qtbase
index f2205c4..ac38452 160000 (submodule)
--- a/qtbase
+++ b/qtbase
@@ -1 +1 @@
-Subproject commit f2205c48c21a6b135f2f59d0cf46e72f90f9f0f4
+Subproject commit ac384524c8fa6b19153811e2eaf6dac6b911f930

diff --git a/qtdeclarative b/qtdeclarative
index 4ef8b7e..a3fe91b 160000 (submodule)
--- a/qtdeclarative
+++ b/qtdeclarative
@@ -1 +1 @@
-Subproject commit 4ef8b7e7a8a93b2921560db8cf021f89409154e5
+Subproject commit a3fe91ba463fcd27d6e0a69b66bc389bd6470c46

diff --git a/qtlocation b/qtlocation
index 81f626f..78c73eb 160000 (submodule)
--- a/qtlocation
+++ b/qtlocation
@@ -1 +1 @@
-Subproject commit 81f626f062d95abe49fcb7d8f098e54646c04034
+Subproject commit 78c73ebf88fbb97ebb796fc71e76232af5c8f1d3

diff --git a/qtquickcontrols b/qtquickcontrols
index fccb5ba..eb2df59 160000 (submodule)
--- a/qtquickcontrols
+++ b/qtquickcontrols
@@ -1 +1 @@
-Subproject commit fccb5baf490b9a8c561a01f30b4992236e3a2060
+Subproject commit eb2df59fb203668734d652808c74b0504864cc1e

diff --git a/qttools b/qttools
index c84dcdd..0e735da 160000 (submodule)
--- a/qttools
+++ b/qttools
@@ -1 +1 @@
-Subproject commit c84dcdd59af82b972b0dee115e95e8aa91b28c50
+Subproject commit 0e735daf4530f6f7972f2368535dd3cff2eeb3e3