Fix [route] statement
Fix [route] statement

This commit fixes "Implement ipv6/ipv4 default gateway" commit
Adds [Route] statements

Tested By:
Configuring IPV4 gateways

Signed-off-by: Ravi Teja <6c9c5702a2e17df4d11bd0606c3dc74b8ef3d459@gmail.com>
Change-Id: I9be100933fe9570d99e458cc53c00a22cc1df6f0

openbmc/phosphor-networkd,openbmc/phosphor-networkd