Add Kconfig changes to support IPAv2 driver for sdm660 target.

Change-Id: I093adf36f0e04a090e802c1ec064d9d6e3deac1a
Signed-off-by: Praveen Kurapati <pkurapat@codeaurora.org>
Signed-off-by: Ashok Raj Deenadayalan <adeenada@codeaurora.org>
Signed-off-by: Swetha Chikkaboraiah <schikk@codeaurora.org>