Bump VOLTHA core version to 1.2

Change-Id: I63ea6ee090154f25aa51e01ce0da5e930c6ef86f
diff --git a/setup.py b/setup.py
index da0e32b..c6dd9d3 100644
--- a/setup.py
+++ b/setup.py
@@ -11,7 +11,7 @@
 scapy_deps = ['scapy>=2.2.0']
 setup(
     name = 'voltha',
-    version = '1.1.0',
+    version = '1.2.0',
     author = 'Zsolt Haraszti, Nathan Knuth, Ali Al-Shabibi',
     author_email = 'voltha-discuss@opencord.org',
     description = ('Virtual Optical Line Terminal (OLT) Hardware Abstraction'),