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/xilinx_emaclite.c b/drivers/net/xilinx_emaclite.c
index 2642af4..372572c 100644
--- a/drivers/net/xilinx_emaclite.c
+++ b/drivers/net/xilinx_emaclite.c
@@ -786,7 +786,7 @@
  * @reg:	register number to write to
  * @val:	value to write to the register number specified by reg
  *
- * This fucntion waits till the device is ready to accept a new MDIO
+ * This function waits till the device is ready to accept a new MDIO
  * request and then writes the val to the MDIO Write Data register.
  */
 static int xemaclite_mdio_write(struct mii_bus *bus, int phy_id, int reg,