Revert "block: row: Re-design urgent request notification mechanism"

The revert fixes frequent boot up failures on 8974.

This reverts commit 0c3b048d1fae87db150e9ff729a9608e5346e042.

Change-Id: I181513382a128724ce08980ad2f14cd5943c27bd
Signed-off-by: Shashank Babu Chinta Venkata <sbchin@codeaurora.org>
Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>