CIP: Bump version suffix to -cip2 after merge

Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
diff --git a/localversion-cip b/localversion-cip
index 5ce6abb..21e806b 100644
--- a/localversion-cip
+++ b/localversion-cip
@@ -1 +1 @@
--cip1
+-cip2