ethtool: bump version

Bugfix release:
* Fix: Work around failure of ETHTOOL_GSSET_INFO for unprivileged
  users (-k option)
* Fix: Report any unexpected error code from ETHTOOL_GSSET_INFO
  (-k and -K options)
* Doc: Fix the date of the man page to match the last update

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/ethtool/ethtool.mk

@@ -4,7 +4,7 @@
 #
 #############################################################
 
-ETHTOOL_VERSION = 3.4
+ETHTOOL_VERSION = 3.4.1
 ETHTOOL_SITE = $(BR2_KERNEL_MIRROR)/software/network/ethtool
 
 $(eval $(call AUTOTARGETS))