hpsa: change doorbell reset delay to ten seconds

After 3.22 firmware, PMC firmware guys tell us the
previous 5 second delay after a reset now needs to
be 10 secs to avoid a PCIe error due to the driver
looking at the controller too soon after the reset.
Signed-off-by: Justin Lindley <justin.lindley@hp.com>
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Reviewed-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

drivers/scsi/hpsa.c

@@ -5838,12 +5838,12 @@ static int hpsa_controller_hard_reset(struct pci_dev *pdev,
 		dev_info(&pdev->dev, "using doorbell to reset controller\n");
 		writel(use_doorbell, vaddr + SA5_DOORBELL);
 
-		/* PMC hardware guys tell us we need a 5 second delay after
+		/* PMC hardware guys tell us we need a 10 second delay after
 		 * doorbell reset and before any attempt to talk to the board
 		 * at all to ensure that this actually works and doesn't fall
 		 * over in some weird corner cases.
 		 */
-		msleep(5000);
+		msleep(10000);
 	} else { /* Try to do it the PCI power state way */
 
 		/* Quoting from the Open CISS Specification: "The Power