Merge remote-tracking branch 'origin/5.8' into dev

This change also includes an update of the CI platform configurations to
the values that were previously in the CI source tree for builds of the
dev branch.

This is done within the same change as the merge to preserve atomicity.

Task-number: QTQAINFRA-1074
Change-Id: Ic47f7db3506ace4faca028b902d48cdb009c8495

.gitmodules

@@ -11,7 +11,7 @@
 	status = addon
 [submodule "qtdeclarative"]
 	depends = qtbase
-	recommends = qtsvg qtxmlpatterns
+	recommends = qtxmlpatterns
 	path = qtdeclarative
 	url = ../qtdeclarative.git
 	branch = dev
@@ -100,7 +100,7 @@
 	status = addon
 [submodule "qtsensors"]
 	depends = qtbase
-	recommends = qtdeclarative
+	recommends = qtdeclarative qtsvg
 	path = qtsensors
 	url = ../qtsensors.git
 	branch = dev
@@ -160,7 +160,7 @@
 	status = addon
 [submodule "qtquick1"]
 	depends = qtscript
-	recommends = qtsvg qtxmlpatterns
+	recommends = qtxmlpatterns
 	path = qtquick1
 	url = ../qtquick1.git
 	branch = dev