[source] iwinfo: update to the latest git HEAD

[LEDE Commits]

rmilecki pushed a commit to source.git, branch master:
https://git.lede-project.org/8de57c97467af72d847c5cef5865990731b8681b

commit 8de57c97467af72d847c5cef5865990731b8681b
Author: Rafał Miłecki <rafal at milecki.pl>
AuthorDate: Wed Aug 23 11:18:04 2017 +0200

    iwinfo: update to the latest git HEAD
    
    c1a03e8 nl80211: request split information about frequencies
    5638567 nl80211: store info about freq being not available for some bandwidths
    ce51cb8 Allow storing more info about each frequency
    5c10efa nl80211: support receiving split frequencies
    335967c nl80211: improve error handling
    ab089dd nl80211: propagate netlink errors to callers
    7bba117 nl80211: handle netlink errors in nl80211_wait()
    d22c64c iwinfo: add device id for Ubiquiti NanoStation Loco M2
    
    Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
---
 package/network/utils/iwinfo/Makefile | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/package/network/utils/iwinfo/Makefile b/package/network/utils/iwinfo/Makefile
index 00332b0..a42aa13 100644
--- a/package/network/utils/iwinfo/Makefile
+++ b/package/network/utils/iwinfo/Makefile
@@ -11,9 +11,8 @@ PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(LEDE_GIT)/project/iwinfo.git
-PKG_SOURCE_DATE:=2016-09-21
-PKG_SOURCE_VERSION:=fd9e17be0c43bd6b8df5371f0b353747bc563874
-PKG_MIRROR_HASH:=c58490d9b5c2179f6a3edc67aae2f00ae6007daee0d52fa7e5b4c0ea923f1e37
+PKG_SOURCE_DATE:=2017-08-23
+PKG_SOURCE_VERSION:=c1a03e8231a5d8b348b70a182d256725c98a3b0b
 PKG_MAINTAINER:=Jo-Philipp Wich <jo at mein.io>
 PKG_LICENSE:=GPL-2.0