Create changelog for IMX8MQ 2.1 silicon support

Change-Id: I1abd457b314f27b64f53f10c6ba5e5f11d2ab137
(cherry picked from commit a9922bd6df19723f9bd5785ad33c1796cc54b676)
diff --git a/debian/changelog b/debian/changelog
index c3c47df..f9e41e3 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+imx-firmware (2-2) mendel-chef; urgency=medium
+
+  * Add support for IMX8MQ 2.1 silicon.
+
+ -- Coral <coral-support@google.com>  Thu, 28 Mar 2019 09:43:59 -0700
+
 imx-firmware (2-1) mendel-chef; urgency=medium
 
   * Cut for chef release.