rpcd-mod-luci: update filter for rpc_luci_get_network_devices
rpcd-mod-luci: update filter for rpc_luci_get_network_devices

When kernel bonding module is loaded it will create a special
file /sys/class/net/bonding_masters. This is no network device.
Filter it out for getNetworkDevices() call.

Signed-off-by: Markus Stockhausen <43d1598711abbb8485b7983bb23acd7571cd7e27@gmx.de>

hnyman/luci,openwrt/luci,openwrt/luci,hnyman/luci,hnyman/luci,hnyman/luci,openwrt/luci,openwrt/luci,openwrt/luci,openwrt/luci,openwrt/luci,openwrt/luci,hnyman/luci,hnyman/luci,hnyman/luci,hnyman/luci