lttng-tools: bump version to 2.4.0

Also adjust the license details

Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/lttng-tools/lttng-tools.mk

@@ -4,12 +4,11 @@
 #
 ################################################################################
 
-LTTNG_TOOLS_VERSION = 2.2.0
+LTTNG_TOOLS_VERSION = 2.4.0
 LTTNG_TOOLS_SITE    = http://lttng.org/files/lttng-tools/
 LTTNG_TOOLS_SOURCE  = lttng-tools-$(LTTNG_TOOLS_VERSION).tar.bz2
-LTTNG_TOOLS_LICENSE = GPLv2; LGPLv2.1 for include/lttng/* and src/lib/lttng-ctl/*
-# gpl-2.0.txt and lgpl-2.1.txt files are missing from the sources
-LTTNG_TOOLS_LICENSE_FILES = LICENSE
+LTTNG_TOOLS_LICENSE = GPLv2+; LGPLv2.1+ for include/lttng/* and src/lib/lttng-ctl/*
+LTTNG_TOOLS_LICENSE_FILES = gpl-2.0.txt lgpl-2.1.txt LICENSE
 
 # The host-lttng-babeltrace technically isn't a required build
 # dependency. However, having the babeltrace utilities built for the