Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index bbd10c8..66d4cea 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -1698,7 +1698,7 @@
  * megasas_wait_for_outstanding -	Wait for all outstanding cmds
  * @instance:				Adapter soft state
  *
- * This function waits for upto MEGASAS_RESET_WAIT_TIME seconds for FW to
+ * This function waits for up to MEGASAS_RESET_WAIT_TIME seconds for FW to
  * complete all its outstanding commands. Returns error if one or more IOs
  * are pending after this time period. It also marks the controller dead.
  */