Silicon/SbsaQemu: fix comment to show proper table name

Someone did copy/paste in past and forgot to alter table name in
comment.

Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Reviewed-by: Rebecca Cran <rebecca@os.amperecomputing.com>
Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>