flashrom: add licensing info

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/flashrom/flashrom.mk

@@ -5,10 +5,11 @@
 ################################################################################
 
 FLASHROM_VERSION = 0.9.6.1
-FLASHROM_SOURCE  = flashrom-$(FLASHROM_VERSION).tar.bz2
-FLASHROM_SITE    = http://download.flashrom.org/releases
-
+FLASHROM_SOURCE = flashrom-$(FLASHROM_VERSION).tar.bz2
+FLASHROM_SITE = http://download.flashrom.org/releases
 FLASHROM_DEPENDENCIES = pciutils
+FLASHROM_LICENSE = GPLv2+
+FLASHROM_LICENSE_FILES = COPYING
 
 define FLASHROM_BUILD_CMDS
 	$(MAKE) $(TARGET_CONFIGURE_OPTS) -C $(@D)