meta-openpower: ipmi-oem: set LICENSE field

Set LICENSE field explicitly.

Change-Id: I009e5c7bc075c48a1d1a7160b317cdee46218fa2
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/recipes-phosphor/ipmi/openpower-ipmi-oem_git.bb b/recipes-phosphor/ipmi/openpower-ipmi-oem_git.bb
index 8857f9b..327970f 100644
--- a/recipes-phosphor/ipmi/openpower-ipmi-oem_git.bb
+++ b/recipes-phosphor/ipmi/openpower-ipmi-oem_git.bb
@@ -2,9 +2,10 @@
 DESCRIPTION = "Phosphor IPMI plugin for OpenPOWER OEM Commands"
 PR = "r1"
 PV = "1.0+git${SRCPV}"
+LICENSE = "Apache-2.0"
+LIC_FILES_CHKSUM = "file://LICENSE;md5=86d3f3a95c324c9479bd8986968f4327"
 
 inherit autotools pkgconfig
-inherit obmc-phosphor-license
 inherit obmc-phosphor-ipmiprovider-symlink
 inherit pythonnative