Update const uint8_t& to const uint8_t

Update const uint8_t& to const uint8_t usage. Passing by reference
for small types are costly than passing it by value and hence the
change is done

Unit-Test
1. Performed build and verified regular user account creation
and RMCP+ login

Change-Id: Ic2dd76795749148f82564677dde2a5db08520454
Signed-off-by: Richard Marian Thomaiyar <richard.marian.thomaiyar@linux.intel.com>
8 files changed