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/tulip/eeprom.c b/drivers/net/tulip/eeprom.c
index 3031ed9..296486b 100644
--- a/drivers/net/tulip/eeprom.c
+++ b/drivers/net/tulip/eeprom.c
@@ -115,7 +115,7 @@
 			  0x02,       /* phy reset sequence length */
 			  0x01, 0x00, /* phy reset sequence */
 			  0x00, 0x78, /* media capabilities */
-			  0x00, 0xe0, /* nway advertisment */
+			  0x00, 0xe0, /* nway advertisement */
 			  0x00, 0x05, /* fdx bit map */
 			  0x00, 0x06  /* ttm bit map */
 			};