scsi: megaraid_sas: fix spelling mistake: "disbale" -> "disable"

Trivial fix to spelling mistake in module parameter description text

[mkp: applied by hand]
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/megaraid/megaraid_sas_base.c

@@ -92,7 +92,7 @@ MODULE_PARM_DESC(resetwaittime, "Wait time in seconds after I/O timeout "
 
 int smp_affinity_enable = 1;
 module_param(smp_affinity_enable, int, S_IRUGO);
-MODULE_PARM_DESC(smp_affinity_enable, "SMP affinity feature enable/disbale Default: enable(1)");
+MODULE_PARM_DESC(smp_affinity_enable, "SMP affinity feature enable/disable Default: enable(1)");
 
 int rdpq_enable = 1;
 module_param(rdpq_enable, int, S_IRUGO);