kmod: adjust license info based on kmod tools selection

The libkmod is licensed as LGPL, while the kmod tools are GPL.
We always install libkmod, but conditionally install the tools.
This patch adjusts the license variables accordingly.

Signed-off-by: Danomi Manchego <danomimanchego123@gmail.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/kmod/kmod.mk

@@ -7,11 +7,13 @@
 KMOD_VERSION = 13
 KMOD_SOURCE = kmod-$(KMOD_VERSION).tar.xz
 KMOD_SITE = $(BR2_KERNEL_MIRROR)/linux/utils/kernel/kmod/
-KMOD_LICENSE = GPLv2+ LGPLv2.1+
-KMOD_LICENSE_FILES = COPYING libkmod/COPYING
 KMOD_INSTALL_STAGING = YES
 KMOD_DEPENDENCIES = host-pkgconf
 
+# license info for libkmod only, conditionally add more below
+KMOD_LICENSE = LGPLv2.1+
+KMOD_LICENSE_FILES = libkmod/COPYING
+
 ifneq ($(BR2_HAVE_DOCUMENTATION),y)
 KMOD_CONF_OPT += --disable-manpages
 endif
@@ -27,6 +29,11 @@ KMOD_CONF_OPT += --with-xz
 endif
 
 ifeq ($(BR2_PACKAGE_KMOD_TOOLS),y)
+
+# add license info for kmod tools
+KMOD_LICENSE += GPLv2+
+KMOD_LICENSE_FILES += COPYING
+
 # take precedence over busybox / module-init-tools implementations
 KMOD_DEPENDENCIES += \
 	$(if $(BR2_PACKAGE_BUSYBOX),busybox) \