update routetocsv.c cisco router converter
the Device is the last token of the line
O E1     172.22.11.48/30 [110/5010] via 10.87.0.130, 7w0d, Vlan807
Not the token after the GW

also indent the file
Signed-off-by: etienne basset <etienne.basset@numericable.fr>
add regest to 'sh ip route' with ECMP
- only one route is printed in the CSV TODAY but that may change

Signed-off-by: etienne basset <etienne.basset@numericable.fr>
add files for ECMP regtest