Add wrapper for golang112

Go 1.12.4 is already enabled in the jenkins server.
This just creates a wrapper that can be used by other jobs.

Issue-ID: MULTICLOUD-587
Change-Id: Idbac8d234abfeaac4930fc512d8c0a709cc5c243
Signed-off-by: Kiran Kamineni <kiran.k.kamineni@intel.com>
diff --git a/jjb/global-macros.yaml b/jjb/global-macros.yaml
index b7a56af..c783015 100644
--- a/jjb/global-macros.yaml
+++ b/jjb/global-macros.yaml
@@ -487,6 +487,15 @@
             </org.jenkinsci.plugins.golang.GolangBuildWrapper>
 
 - wrapper:
+    name: golang112
+    wrappers:
+      - raw:
+          xml: |
+            <org.jenkinsci.plugins.golang.GolangBuildWrapper plugin="golang@1.2">
+            <goVersion>Golang 1.12</goVersion>
+            </org.jenkinsci.plugins.golang.GolangBuildWrapper>
+
+- wrapper:
     # This wrapper is required for all jobs as it configures the wrappers
     # needed by the eCOMP infra.
     name: infra-wrappers