scsi: cxlflash: Update cxl-specific arguments to generic cookie

Convert cxl-specific pointers to generic cookies to facilitate future
enhancements.

Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com>
Acked-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/cxlflash/superpipe.h

@@ -104,7 +104,7 @@ struct ctx_info {
 	bool err_recovery_active;
 	struct mutex mutex; /* Context protection */
 	struct kref kref;
-	struct cxl_context *ctx;
+	void *ctx;
 	struct cxlflash_cfg *cfg;
 	struct list_head luns;	/* LUNs attached to this context */
 	const struct vm_operations_struct *cxl_mmap_vmops;