qseecom: change to use QSECOM_TA heap to load TA

Make change to use new QSECOM_TA heap to load TA, and
retry when ion allocation is failed.

Change-Id: I26343185cd30276a57d6e7711f13ee95816bf6a6
Signed-off-by: Zhen Kong <zkong@codeaurora.org>
2 files changed