configs: clean up unused macro CONFIG_L2_OFF

Since commit c2dd0d455 and 45bf05854 introduced
the new cache maintainance framework to ARM,
CONFIG_L2_OFF has not been used at all.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>

include/configs/highbank.h

@@ -8,7 +8,6 @@
 #define __CONFIG_H
 
 #define CONFIG_SYS_DCACHE_OFF
-#define CONFIG_L2_OFF
 #define CONFIG_SYS_THUMB_BUILD
 
 #define CONFIG_SYS_NO_FLASH

include/configs/kzm9g.h

@@ -22,7 +22,6 @@
 #define CONFIG_DISPLAY_CPUINFO
 #define CONFIG_DISPLAY_BOARDINFO
 #define CONFIG_BOARD_EARLY_INIT_F
-#define CONFIG_L2_OFF
 #define CONFIG_OF_LIBFDT
 
 #include <config_cmd_default.h>

include/configs/mx51_efikamx.h

@@ -29,7 +29,6 @@
 
 #define CONFIG_SYS_TEXT_BASE		0x97800000
 
-#define	CONFIG_L2_OFF
 #define	CONFIG_SYS_ICACHE_OFF
 #define	CONFIG_SYS_DCACHE_OFF
 

include/configs/origen.h

@@ -22,8 +22,6 @@
 #define CONFIG_DISPLAY_BOARDINFO
 #define CONFIG_BOARD_EARLY_INIT_F
 
-/* Keep L2 Cache Disabled */
-#define CONFIG_L2_OFF			1
 #define CONFIG_SYS_DCACHE_OFF		1
 
 #define CONFIG_SYS_SDRAM_BASE		0x40000000

include/configs/smdkv310.h

@@ -25,9 +25,6 @@
 /* Mach Type */
 #define CONFIG_MACH_TYPE		MACH_TYPE_SMDKV310
 
-/* Keep L2 Cache Disabled */
-#define CONFIG_L2_OFF			1
-
 #define CONFIG_SYS_SDRAM_BASE		0x40000000
 #define CONFIG_SYS_TEXT_BASE		0x43E00000
 

include/configs/snowball.h

@@ -23,7 +23,6 @@
  * (easy to change)
  */
 #define CONFIG_U8500
-#define CONFIG_L2_OFF
 
 #define CONFIG_SYS_MEMTEST_START	0x00000000
 #define CONFIG_SYS_MEMTEST_END	0x1FFFFFFF

include/configs/socfpga_cyclone5.h

@@ -16,7 +16,6 @@
 #define CONFIG_SOCFPGA_VIRTUAL_TARGET
 
 #define CONFIG_ARMV7
-#define CONFIG_L2_OFF
 #define CONFIG_SYS_DCACHE_OFF
 #undef CONFIG_USE_IRQ
 

include/configs/u8500_href.h

@@ -12,7 +12,6 @@
  * (easy to change)
  */
 #define CONFIG_U8500
-#define CONFIG_L2_OFF
 
 #define CONFIG_SYS_MEMTEST_START	0x00000000
 #define CONFIG_SYS_MEMTEST_END	0x1FFFFFFF