crypto: ice: Add an interface to dump ICE register

There could be an event where some issue in ICE needs to be debugged.
Adding an interface to ICE driver that would dump all ICE registers to
help debug the issue.

Change-Id: I61ac92197d5637f3be6fe678e276f6350f822cf6
Signed-off-by: Dinesh K Garg <dineshg@codeaurora.org>