feat(intel): add RSU 'Max Retry' SiP SMC services

Add SiP SMC services to store/retrieve 'Max Retry' counter
for Remote System Update (RSU).

Signed-off-by: Chee Hong Ang <chee.hong.ang@intel.com>
Signed-off-by: Jit Loon Lim <jit.loon.lim@intel.com>
Change-Id: I17c1f0107ead64e6160954d26407f399003bcbd9
2 files changed