patches: luci: add /sbin/ntpd to be able to see LuCI ntpd section

patches/luci/hack/0001-luci-mod-admin-full-add-path-for-busybox-ntpd.patch

+From 8648d20dace9a09b5fc378edb79b4bba6170adf2 Mon Sep 17 00:00:00 2001
+From: Josef Schlehofer <josef.schlehofer@nic.cz>
+Date: Mon, 24 Jun 2019 07:25:08 +0200
+Subject: [PATCH] luci-mod-admin-full: add path for busybox ntpd
+
+If there is no /usr/sbin/ntpd, the ntpd section in LuCI isn't shown.
+This happens when we have located busybox ntpd in /sbin/ntpd instead of
+/usr/sbin/ntpd.
+
+Related to: https://gitlab.labs.nic.cz/turris/turris-build/blob/master/patches/openwrt/hack/0003-busybox-Try-to-install-everything-into-s-bin.patch
+
+Fixes: https://forum.turris.cz/t/ntp-server-choice-removed/10405/14?u=pepe
+
+Reviewed in PR: https://gitlab.labs.nic.cz/turris/turris-build/merge_requests/17
+---
+ .../luasrc/model/cbi/admin_system/system.lua                    | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/modules/luci-mod-admin-full/luasrc/model/cbi/admin_system/system.lua b/modules/luci-mod-admin-full/luasrc/model/cbi/admin_system/system.lua
+index c7fdfcddb..87ce25a1a 100644
+--- a/modules/luci-mod-admin-full/luasrc/model/cbi/admin_system/system.lua
++++ b/modules/luci-mod-admin-full/luasrc/model/cbi/admin_system/system.lua
+@@ -8,7 +8,7 @@ local fs    = require "nixio.fs"
+ local conf  = require "luci.config"
+ 
+ local m, s, o
+-local has_ntpd = fs.access("/usr/sbin/ntpd")
++local has_ntpd = fs.access("/usr/sbin/ntpd") or fs.access("/sbin/ntpd")
+ 
+ m = Map("system", translate("System"), translate("Here you can configure the basic aspects of your device like its hostname or the timezone."))
+ m:chain("luci")
+-- 
+2.20.1
+