This will really boost the Bitcoin technology in the market, now the big enterprises can also join and accept payment as bitcoins, because now they can also hold bitcoins as currency in the same bank. If i am right
Unfortunately, you are not right. So far, they are only indicating to adopt the blockchain technology, i.e. private blockchain,
which Princeton professor Arvind Narayan term as shared database. It'll probably be some kinda PoS coin where nodes will be run only by banks. Unless they peg their chain to bitcoin blockchain, bitcoin has nothing to gain from it.