oemcommands: update getIPObject() search method

The SYS_info frame is broken due to phosphor-network changed the object
path of IP address.
Remove IP type from object path match string, use `Type` property to
identify this address is IPv4 or IPv6.

Tested on Bletchley.

Signed-off-by: Potin Lai <potin.lai@quantatw.com>
Change-Id: If44ab42fcc86a915c9141bf29780e9e52cb1a01b
1 file changed