Add foo_LICENSE_FILES for all OpenPOWER projects that are missing them

Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
diff --git a/openpower/package/hostboot/hostboot.mk b/openpower/package/hostboot/hostboot.mk
index 0dab44c..8fdd6db 100644
--- a/openpower/package/hostboot/hostboot.mk
+++ b/openpower/package/hostboot/hostboot.mk
@@ -10,6 +10,7 @@
 HOSTBOOT_SITE ?= $(call github,open-power,hostboot,$(HOSTBOOT_VERSION))
 
 HOSTBOOT_LICENSE = Apache-2.0
+HOSTBOOT_LICENSE_FILES = LICENSE
 HOSTBOOT_DEPENDENCIES = host-binutils
 
 HOSTBOOT_INSTALL_IMAGES = YES