nuttcp: add license information

Signed-off-by: Phil Eichinger <phil@zankapfel.net>
Acked-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/nuttcp/nuttcp.mk

@@ -7,6 +7,8 @@
 NUTTCP_VERSION = 6.1.2
 NUTTCP_SITE = http://www.lcp.nrl.navy.mil/nuttcp/
 NUTTCP_SOURCE = nuttcp-$(NUTTCP_VERSION).tar.bz2
+NUTTCP_LICENSE = GPLv2
+NUTTCP_LICENSE_FILES = LICENSE
 
 define NUTTCP_BUILD_CMDS
 	$(MAKE1) CC="$(TARGET_CC) $(TARGET_CFLAGS) $(TARGET_LDFLAGS)" \