nasm: add license information

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/nasm/nasm.mk

@@ -5,8 +5,10 @@
 ################################################################################
 
 NASM_VERSION = 2.11.02
-NASM_SOURCE  = nasm-$(NASM_VERSION).tar.xz
-NASM_SITE    = http://www.nasm.us/pub/nasm/releasebuilds/$(NASM_VERSION)
+NASM_SOURCE = nasm-$(NASM_VERSION).tar.xz
+NASM_SITE = http://www.nasm.us/pub/nasm/releasebuilds/$(NASM_VERSION)
+NASM_LICENSE = BSD-2c
+NASM_LICENSE_FILES = LICENSE
 
 $(eval $(autotools-package))
 $(eval $(host-autotools-package))