APEI/ERST: Fix error message formatting

... according to acpi/apei/ conventions. Use standard pr_fmt prefix
while at it.

Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Borislav Petkov 2013-07-29 15:51:35 +02:00
commit cb82a2e4f9