dhcp: Fix broadcast parameter validation support, remove unused netmask parameter

Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>

SVN-Revision: 40332

package/network/config/netifd/files/lib/netifd/proto/dhcp.sh

@@ -6,11 +6,10 @@ init_proto "$@"
 
 proto_dhcp_init_config() {
 	proto_config_add_string 'ipaddr:ipaddr'
-	proto_config_add_string 'netmask:ipaddr'
 	proto_config_add_string 'hostname:hostname'
 	proto_config_add_string clientid
 	proto_config_add_string vendorid
-	proto_config_add_boolean 'broadcast:ipaddr'
+	proto_config_add_boolean 'broadcast:bool'
 	proto_config_add_string 'reqopts:list(string)'
 	proto_config_add_string iface6rd
 	proto_config_add_string sendopts