cxl: fix spelling mistakes

Correct spelling mistakes (reported by codespell).

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Alison Schofield <alison.schofield@intel.com>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Ben Widawsky <bwidawsk@kernel.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: linux-cxl@vger.kernel.org
Reviewed-by: Vishal Verma <vishal.l.verma@intel.com>
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Link: https://lore.kernel.org/r/20230125032221.21277-1-rdunlap@infradead.org


Signed-off-by: Dan Williams <dan.j.williams@intel.com>