ASACORE-124 Scrub usage of ER_NONE

Most places where ER_NONE was used has been replaced by a new, more
appropriate status code: ER_EOF.  Other uses have been replace with
appropriate alternatives.  The few places where ER_NONE is still in
use is actually correct usage of ER_NONE.

Change-Id: I66be781b7f1e0e7d4826bb6eb2d46b6e7a0100c5
Signed-off-by: Steve Kinneberg <stevek@qce.qualcomm.com>
Merge "ASACORE-124 Scrub usage of ER_NONE"