VOL-1236: BAL upgrade for 2.6 and support for Traffic Shaping

Change-Id: If12f914e5981b2eabfca90a70dbb0f0750a76c4b
diff --git a/scripts/asfvolt-bal-buildall.sh b/scripts/asfvolt-bal-buildall.sh
index 29bcbcf..7107f69 100755
--- a/scripts/asfvolt-bal-buildall.sh
+++ b/scripts/asfvolt-bal-buildall.sh
@@ -22,7 +22,7 @@
 # override shell variables to match custom local build environment
 : ${ONL_TOPDIR:=`pwd`}
 : ${MAKE_JOBS:=1}
-: ${BALSRC_RELEASE:=bal_src_release}
+: ${BALSRC_RELEASE:=${BROADCOM_DOWNLOAD_DIR}/bal_src_release}
 : ${SWISDK_TARNAME:=sdk-all-6.5.7}
 
 echo ONL_TOPDIR=${ONL_TOPDIR}