use Braunschweig NTP for all ntp packages

package/busybox/files/busybox.postinst

@@ -9,4 +9,4 @@ add_rcconf syslogd_flags '-C32'
 add_rcconf inetd NO
 add_rcconf ntpd NO
 add_rcconf ntpdate NO
-add_rcconf ntpd_flags '-p time.fu-berlin.de'
+add_rcconf ntpd_flags '-p ptbtime1.ptb.de'

package/ntpclient/Makefile

@@ -21,7 +21,7 @@ PKGFD_STARTUP:=	Fetch time on startup
 
 PKG_FLAVOURS_STRING_NTPCLIENT:=	HOST
 PKGFD_HOST:=	Fetch time from this NTP host
-PKGFX_HOST:=	pool.ntp.org
+PKGFX_HOST:=	ptbtime1.ptb.de
 PKGFC_HOST:=	depends on ADK_PACKAGE_NTPCLIENT_STARTUP
 
 include ${ADK_TOPDIR}/mk/package.mk

package/openntpd/files/ntpd.conf

@@ -3,6 +3,4 @@ listen on 0.0.0.0
 # enable this for IPv6 support
 #listen on ::
 
-# use a random selection of 8 public stratum 2 servers
-# see http://twiki.ntp.org/bin/view/Servers/NTPPoolServers
-servers pool.ntp.org
+servers ptbtime1.ptb.de

package/rdate/files/rdate.postinst

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
 . $IPKG_INSTROOT/etc/functions.sh
-add_rcconf rdate_flags "-nv pool.ntp.org"
+add_rcconf rdate_flags "-nv ptbtime1.ptb.de"
 add_service ntp 123/tcp
 add_service ntp 123/udp