AMD boards: Fix typos

Change-Id: I22180c3c2987396717864f04c59560029d088d53
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/6111
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
diff --git a/src/mainboard/avalue/eax-785e/platform_cfg.h b/src/mainboard/avalue/eax-785e/platform_cfg.h
index 03ce4f2..6944ab2 100644
--- a/src/mainboard/avalue/eax-785e/platform_cfg.h
+++ b/src/mainboard/avalue/eax-785e/platform_cfg.h
@@ -199,8 +199,8 @@
 
 /**
  * @def SB_GPP_UNHIDE_PORTS
- *    TRUE   - ports visable always, even port empty
- *    FALSE  - ports invisable if port empty
+ *    TRUE   - ports visible always, even port empty
+ *    FALSE  - ports invisible if port empty
  */
 #define SB_GPP_UNHIDE_PORTS		FALSE