Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c
index 356e74d..337bdcd 100644
--- a/drivers/net/s2io.c
+++ b/drivers/net/s2io.c
@@ -2353,7 +2353,7 @@
 
 	if (s2io_link_fault_indication(nic) == MAC_RMAC_ERR_TIMER) {
 		/*
-		 * Dont see link state interrupts initally on some switches,
+		 * Dont see link state interrupts initially on some switches,
 		 * so directly scheduling the link state task here.
 		 */
 		schedule_work(&nic->set_link_task);
@@ -3563,7 +3563,7 @@
 	}
 
 	/*
-	 * Clear spurious ECC interrupts that would have occured on
+	 * Clear spurious ECC interrupts that would have occurred on
 	 * XFRAME II cards after reset.
 	 */
 	if (sp->device_type == XFRAME_II_DEVICE) {
@@ -4065,7 +4065,7 @@
  *  Description :
  *  This function is the Tx entry point of the driver. S2IO NIC supports
  *  certain protocol assist features on Tx side, namely  CSO, S/G, LSO.
- *  NOTE: when device cant queue the pkt,just the trans_start variable will
+ *  NOTE: when device can't queue the pkt,just the trans_start variable will
  *  not be upadted.
  *  Return value:
  *  0 on success & 1 on failure.