fix(cpus): workaround for Neoverse N2 erratum 2340933

Neoverse N2 erratum 2340933 is a Cat B erratum that applies to
revision r0p0 and is fixed in r0p1. The workaround is to set
CPUACTLR5_EL1[61] to 1.

SDEN documentation:
https://developer.arm.com/documentation/SDEN-1982442/latest

Change-Id: I121add0dd35072c53392d33f049d893a5ff6354f
Signed-off-by: Bipin Ravi <bipin.ravi@arm.com>
(cherry picked from commit 68085ad4827ac7daa39767d479d0565daa32cb47)
4 files changed