[openwrt/openwrt] ethtool: Update to 4.15.

[LEDE Commits]

hauke pushed a commit to openwrt/openwrt.git, branch master:
https://git.lede-project.org/43788a91fb61bdf869e2ca68841ae34e422961d6

commit 43788a91fb61bdf869e2ca68841ae34e422961d6
Author: Rosen Penev <rosenp at gmail.com>
AuthorDate: Sun Mar 18 17:07:28 2018 -0700

    ethtool: Update to 4.15.
    
    Contains kernel 4.14 updates. Compile tested on mvebu.
    
    Signed-off-by: Rosen Penev <rosenp at gmail.com>
---
 package/network/utils/ethtool/Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/package/network/utils/ethtool/Makefile b/package/network/utils/ethtool/Makefile
index b369626..b378ce2 100644
--- a/package/network/utils/ethtool/Makefile
+++ b/package/network/utils/ethtool/Makefile
@@ -8,13 +8,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=ethtool
-PKG_VERSION:=4.13
+PKG_VERSION:=4.15
 PKG_RELEASE:=1
 
 PKG_MAINTAINER:=Felix Fietkau <nbd at nbd.name>
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=@KERNEL/software/network/ethtool
-PKG_HASH:=b7c1a380007d30eaf261a63b3cfc000f9d93f9eb7626dcd48b5d2a733af99cba
+PKG_HASH:=71f7fd32483ffdc7c6c4d882e230714eb101df0a46cbe396dbeb8ac78f1ef91a
 
 PKG_LICENSE:=GPL-2.0
 PKG_LICENSE_FILES:=COPYING