Update changelog

Author: hannesha

debian/changelog

@@ -1,4 +1,18 @@
-it87-dkms (1.20181809) UNRELEASED; urgency=medium
+it87-dkms (20210204) UNRELEASED; urgency=medium
+
+  [ Flippo24 ]
+  * IT8528E test
+  * IT8528 test
+
+  [ Frank Crawford ]
+  * Added definition for IT8688E as clone of IT8686E based on online comments.
+
+  [ Hannes Haberl ]
+  * Fix fallthrough warning
+
+ -- Hannes Haberl <[email protected]>  Sat, 03 Apr 2021 00:11:40 +0200
+
+it87-dkms (1.20181809) unstable; urgency=medium
 
   [ Guenter Roeck ]
   * it87: upstream version