common: spl_sata: perform SCSI scan before getting device

At least on OMAP, init_sata() no longer performs scsi_scan()
so we must do it explicitly here.

Cc: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>

common/spl/spl_sata.c

@@ -32,6 +32,7 @@ void spl_sata_load_image(void)
 		hang();
 	} else {
 		/* try to recognize storage devices immediately */
+		scsi_scan(0);
 		stor_dev = scsi_get_dev(0);
 	}