scsi: isci: Make local function isci_remote_device_wait_for_resume_from_abort() static

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/isci/remote_device.c:1387:6: warning: no previous prototype for ‘isci_remote_device_wait_for_resume_from_abort’ [-Wmissing-prototypes]

Link: https://lore.kernel.org/r/20210317091125.2910058-7-lee.jones@linaro.org
Cc: Artur Paszkiewicz <artur.paszkiewicz@intel.com>
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/isci/remote_device.c

@@ -1384,7 +1384,7 @@ static bool isci_remote_device_test_resume_done(
 	return done;
 }
 
-void isci_remote_device_wait_for_resume_from_abort(
+static void isci_remote_device_wait_for_resume_from_abort(
 	struct isci_host *ihost,
 	struct isci_remote_device *idev)
 {