build_oran.sh: add feature/oran-host-rt-tune

Add the feature for host real time tuning to get better performance.

Issue-ID: INF-4
Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
Change-Id: I4ade30f39770d1c452cde1d56af55c596cca6340
diff --git a/scripts/build_oran.sh b/scripts/build_oran.sh
index ea2231f..7d899bb 100755
--- a/scripts/build_oran.sh
+++ b/scripts/build_oran.sh
@@ -102,6 +102,7 @@
 ########################
 DISTRO = "oran-inf"
 BB_NO_NETWORK = '0'
+WRTEMPLATE += "feature/oran-host-rt-tune"
 EOF
 
 # Build the oran-inf-host image