rainier: remove cpu workaround for errata 1542419

This patch removes the Neoverse N1 CPU errata workaround for
bug 1542419 as the bug is not present in Rainier R0P0 core.

Change-Id: Icaca299b13ef830b2ee5129576aae655a6288e69
Signed-off-by: Manoj Kumar <manoj.kumar3@arm.com>
2 files changed