meta-phosphor: obmc-phosphor-image.bbclass: set LICENSE field

Set LICENSE field explicitly.

Change-Id: Id882a65996b3c8e7e9dbe66e1448830ca34bc37c
Signed-off-by: Patrick Venture <venture@google.com>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/classes/obmc-phosphor-image.bbclass b/classes/obmc-phosphor-image.bbclass
index cf5e06e..7260b0e 100644
--- a/classes/obmc-phosphor-image.bbclass
+++ b/classes/obmc-phosphor-image.bbclass
@@ -22,9 +22,10 @@
 # - obmc-debug-collector              - OpenBMC debug collector
 
 inherit core-image
-inherit obmc-phosphor-license
 inherit obmc-phosphor-utils
 
+LICENSE = "Apache-2.0"
+
 FEATURE_PACKAGES_obmc-bmc-state-mgmt ?= "packagegroup-obmc-apps-bmc-state-mgmt"
 FEATURE_PACKAGES_obmc-chassis-mgmt ?= "${@cf_enabled(d, 'obmc-phosphor-chassis-mgmt', 'virtual-obmc-chassis-mgmt')}"
 FEATURE_PACKAGES_obmc-chassis-state-mgmt ?= "packagegroup-obmc-apps-chassis-state-mgmt"