Updated git submodules

Updated git submodules

Project: ovsdb master db5b2546600affca74281ae02613db72f993701a

bug 6579 handling back to back tx updates

Added the following utility methods in operational state and device info
isKeyPartOfCurrentTx indicates this key is also part of the same tx
isKeyInTransit indicates this key is part of prev tx to device

Before inserting any key into any table
check if this key or its dependent keys are part of prev transaction

Change-Id: I87699c244b7feee27d2c95178dfe5727f4148cdb
Signed-off-by: K.V Suneelu Verma <k.v.suneelu.verma@ericsson.com>