Add qtpositioning as a submodule

The new qtpositionig repo is created to split QtLocation and
QtPositioning development.
This patch adds the new repo as a submodule to qt5.git
It also marks the qtlocation module as ignored and removes
it from dependencies, using qtpositioning instead.

Task-number: QTBUG-97188
Change-Id: I7adb9fc405119f865cd6b25a6ce9eff40d693b14
Reviewed-by: Daniel Smith <Daniel.Smith@qt.io>
(cherry picked from commit 6af22246cf)

.gitmodules

@@ -77,6 +77,13 @@
 	path = qtlocation
 	url = ../qtlocation.git
 	branch = 6.2
+	status = ignore
+[submodule "qtpositioning"]
+	depends = qtbase
+	recommends = qtdeclarative qtserialport
+	path = qtpositioning
+	url = ../qtpositioning.git
+	branch = 6.2
 	status = addon
 [submodule "qtsensors"]
 	depends = qtbase
@@ -161,7 +168,7 @@
 	status = addon
 [submodule "qtwebengine"]
 	depends = qtdeclarative
-	recommends = qtlocation qtwebchannel qttools
+	recommends = qtwebchannel qttools qtpositioning
 	path = qtwebengine
 	url = ../qtwebengine.git
 	branch = 6.2