meta-ibm: witherspoon: chassis: avsbus-control: set LICENSE field

Set LICENSE field explicitly.

Change-Id: I84c2e8f75f37ebefb886e1e34043122ec47563de
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/meta-witherspoon/recipes-phosphor/chassis/avsbus-control.bb b/meta-witherspoon/recipes-phosphor/chassis/avsbus-control.bb
index a09cdc7..5abe1be 100644
--- a/meta-witherspoon/recipes-phosphor/chassis/avsbus-control.bb
+++ b/meta-witherspoon/recipes-phosphor/chassis/avsbus-control.bb
@@ -1,8 +1,9 @@
 SUMMARY = "Witherspoon AVSBus control"
 PR = "r1"
+LICENSE = "Apache-2.0"
+LIC_FILES_CHKSUM = "file://${IBMBASE}/COPYING.apache-2.0;md5=34400b68072d710fecd0a2940a0d1658"
 
 inherit obmc-phosphor-systemd
-inherit obmc-phosphor-license
 
 RDEPENDS_${PN} += "i2c-tools"