cxl: fix typo in comment

Spelling mistake (triple letters) in comment.
Detected with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Acked-by: Andrew Donnellan <ajd@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220521111145.81697-82-Julia.Lawall@inria.fr

include/misc/cxl.h

@@ -30,7 +30,7 @@ unsigned int cxl_pci_to_cfg_record(struct pci_dev *dev);
 /*
  * Context lifetime overview:
  *
- * An AFU context may be inited and then started and stoppped multiple times
+ * An AFU context may be inited and then started and stopped multiple times
  * before it's released. ie.
  *    - cxl_dev_context_init()
  *      - cxl_start_context()