treewide: use "device" option in UCI "interface" sections
netifd has been recently patched to use "device" option instead of
"ifname" as more clear & accurate.
Signed-off-by: 
Rafał Miłecki <rafal@milecki.pl>
parent
030804b7
netifd has been recently patched to use "device" option instead of
"ifname" as more clear & accurate.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>