refactor(cpus): convert the Cortex-A76AE to use the errata framework

Testing:
  - Manual comparison of disassembly with and without conversion.
  - Using the test script in gerrit - 19136
  - Building with errata and stepping through from ArmDS and running tftf.

Signed-off-by: Govindraj Raja <govindraj.raja@arm.com>
Change-Id: I1936ab6aaef803f653e79f5c6b590a59b34a8ed1
1 file changed