[idu] dnsmasq: Advertise NTP server to DHCP clients

recipes-extra/dnsmasq/files/sysmocom-idu/dnsmasq.conf

@@ -221,8 +221,8 @@ dhcp-range=wifi-remote,172.16.132.10,172.16.135.254,255.255.252.0,24h
 # DNS server - 6
 # broadcast address - 28
 
-# Set the NTP time server addresses to 192.168.0.4 and 10.10.0.5
-#dhcp-option=42,192.168.0.4,10.10.0.5
+# Set the NTP time server addresses to 172.16.1.1
+dhcp-option=42,172.16.1.1
 
 # Set the NTP time server address to be the same machine as 
 # is running dnsmasq