cm: Add B&N NookColor (encore)

Change-Id: I74e16a92fd625292fd84f74d76ad02cd2f513307
diff --git a/jenkins-build-targets b/jenkins-build-targets
index c550f3c..2878bbc 100644
--- a/jenkins-build-targets
+++ b/jenkins-build-targets
@@ -10,6 +10,7 @@
 cm_d2tmo-userdebug
 cm_d2usc-userdebug
 cm_d2vzw-userdebug
+cm_encore-userdebug
 cm_endeavoru-userdebug
 cm_epicmtd-userdebug
 cm_everest-userdebug