meta-ibm: witherspoon: thermal-policy-native: set LICENSE field

Set LICENSE field explicitly.

Change-Id: I086c4183792806dcb98a40119579a1b74ac7442e
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/meta-witherspoon/recipes-phosphor/fans/witherspoon-thermal-policy-native.bb b/meta-witherspoon/recipes-phosphor/fans/witherspoon-thermal-policy-native.bb
index 39831cf..d53b414 100644
--- a/meta-witherspoon/recipes-phosphor/fans/witherspoon-thermal-policy-native.bb
+++ b/meta-witherspoon/recipes-phosphor/fans/witherspoon-thermal-policy-native.bb
@@ -1,8 +1,9 @@
 SUMMARY = "Thermal policy for Witherspoon"
 PR = "r1"
+LICENSE = "Apache-2.0"
+LIC_FILES_CHKSUM = "file://${IBMBASE}/COPYING.apache-2.0;md5=34400b68072d710fecd0a2940a0d1658"
 
 inherit native
-inherit obmc-phosphor-license
 inherit phosphor-dbus-monitor
 
 SRC_URI += "file://thermal-policy.yaml"