fix(cpus): fix the rev-var for Cortex-A710

Update the revision and variant information in the
errata ABI file, cortex_A710.S file for erratum ID - 2058056
and erratum ID - 2055002 to match the revision and variant
in the latest SDEN.

SDEN documentation:
https://developer.arm.com/documentation/SDEN-1775101/latest

Change-Id: Ie010dae90dabf8670f588a06f9a606cf41e22afa
Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
4 files changed