Update SDC sonar jjb

Removed old style Java memory definitions.

Fix incorrect sonar property definition.
Change sonar.branch.name to sonar.branch,
Because current sonar version does not support the property.

Change-Id: I79f417fe41de3599f65d54013ac2aceed79bef31
Issue-ID: SDC-1632
Signed-off-by: Michael Lando <ml636r@att.com>
diff --git a/jjb/sdc/sdc-dcae-d-dt-be-main.yaml b/jjb/sdc/sdc-dcae-d-dt-be-main.yaml
index d2f6233..47a2eed 100644
--- a/jjb/sdc/sdc-dcae-d-dt-be-main.yaml
+++ b/jjb/sdc/sdc-dcae-d-dt-be-main.yaml
@@ -30,5 +30,6 @@
     project-name: 'sdc-dcae-d-dt-be-main'
     branch: 'master'
     mvn-settings: 'sdc-dcae-d-dt-be-main-settings'
+    mvn-params: '-Dsonar.branch=${branch}'
     mvn-goals: 'clean install'
-    mvn-opts: '-Xmx1024m -XX:MaxPermSize=256m'
+    mvn-opts: '-Xmx1024m'