Merge pull request #730 from kmilos/kmilos/panny_gh7

Add Panasonic DC-GH7 placeholder

Author: LebedevRI

data/cameras.xml

@@ -11442,6 +11442,9 @@
 	<Camera make="Panasonic" model="DC-GH6" supported="no">
 		<ID make="Panasonic" model="DC-GH6">Panasonic DC-GH6</ID>
 	</Camera>
+	<Camera make="Panasonic" model="DC-GH7" supported="no">
+		<ID make="Panasonic" model="DC-GH7">Panasonic DC-GH7</ID>
+	</Camera>
 	<Camera make="Panasonic" model="DC-G9">
 		<ID make="Panasonic" model="DC-G9">Panasonic DC-G9</ID>
 		<Sensor black="148" white="4095"/>