xcompile: Only include arm64 erratum check in arm64 section

Clean up the output file a bit by only including the erratum
for arm64 into the that architecture section instead of
every architecture.

Change-Id: Ib6276f12aee5deb92a03e1c4fa2ad57db46bdc8f
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/12842
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
1 file changed