refactor(errata_abi): add the Cortex-X4 cpu struct

Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
Change-Id: I8421dcc98eea85d038070f90e819e91bb2652727
(cherry picked from commit cd6128d479033c7ac4cff8e932415b5c04bbde67)
1 file changed