platform/x86: intel_pmt_crashlog: Fix incorrect macros

Fixes off-by-one bugs in the macro assignments for the crashlog control
bits. Was initially tested on emulation but bug revealed after testing on
silicon.

Fixes: 5ef9998c

 ("platform/x86: Intel PMT Crashlog capability driver")
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Link: https://lore.kernel.org/r/20210317024455.3071477-2-david.e.box@linux.intel.com


Signed-off-by: Hans de Goede <hdegoede@redhat.com>