Drop CONFIG_ISA_KEYBOARD

This option is mentioned but does not do anything. Drop it.
Signed-off-by: NSimon Glass <sjg@chromium.org>
Reviewed-by: NBin Meng <bmeng.cn@gmail.com>

README

@@ -1767,11 +1767,6 @@ CBFS (Coreboot Filesystem) support
 		a default value of 65536 will be defined.
 
 - Keyboard Support:
-		CONFIG_ISA_KEYBOARD
-
-		Define this to enable standard (PC-Style) keyboard
-		support
-
 		CONFIG_I8042_KBD
 		Standard PC keyboard driver with US (is default) and
 		GERMAN key layout (switch via environment 'keymap=de') support.

board/mpl/pip405/README

@@ -114,10 +114,6 @@ RTC
 ----
 CONFIG_RTC_MC146818		MC146818 RTC support
 
-Keyboard:
----------
-CONFIG_ISA_KEYBOARD		Standard (PC-Style) Keyboard support
-
 Video:
 ------
 CONFIG_VIDEO_CT69000		Enable Chips & Technologies 69000 Video chip

include/configs/MIP405.h

@@ -361,11 +361,6 @@
 #define CONFIG_MAC_PARTITION
 #define CONFIG_ISO_PARTITION /* Experimental */
 
-/************************************************************
- * Keyboard support
- ************************************************************/
-#undef CONFIG_ISA_KEYBOARD
-
 /************************************************************
  * Video support
  ************************************************************/

include/configs/PIP405.h

@@ -318,11 +318,6 @@
 #define CONFIG_MAC_PARTITION
 #define CONFIG_ISO_PARTITION /* Experimental */
 
-/************************************************************
- * Keyboard support
- ************************************************************/
-#define CONFIG_ISA_KEYBOARD
-
 /************************************************************
  * Video support
  ************************************************************/