CMD: Remove CMD_LOG, it's unused

$ git grep CMD_LOG
include/configs/kilauea.h:#define CONFIG_CMD_LOG
include/configs/lwmon5.h:#define CONFIG_CMD_LOG
include/configs/makalu.h:#define CONFIG_CMD_LOG
include/configs/quad100hd.h:#undef CONFIG_CMD_LOG
include/configs/zeus.h:#define CONFIG_CMD_LOG

Signed-off-by: Marek Vasut <marex@denx.de>
Acked-by: Anatolij Gustschin <agust@denx.de>

include/configs/kilauea.h

@@ -447,7 +447,6 @@
  */
 #define CONFIG_CMD_CHIP_CONFIG
 #define CONFIG_CMD_DATE
-#define CONFIG_CMD_LOG
 #define CONFIG_CMD_NAND
 #define CONFIG_CMD_PCI
 #define CONFIG_CMD_SNTP

include/configs/lwmon5.h

@@ -435,7 +435,6 @@
 #define CONFIG_CMD_FAT
 #define CONFIG_CMD_I2C
 #define CONFIG_CMD_IRQ
-#define CONFIG_CMD_LOG
 #define CONFIG_CMD_MII
 #define CONFIG_CMD_NET
 #define CONFIG_CMD_NFS

include/configs/makalu.h

@@ -252,7 +252,6 @@
  */
 #define CONFIG_CMD_DATE
 #define CONFIG_CMD_DTT
-#define CONFIG_CMD_LOG
 #define CONFIG_CMD_PCI
 #define CONFIG_CMD_SNTP
 

include/configs/quad100hd.h

@@ -69,7 +69,6 @@
 #define CONFIG_CMD_I2C
 #undef CONFIG_CMD_IRQ
 #define CONFIG_CMD_JFFS2
-#undef CONFIG_CMD_LOG
 #undef CONFIG_CMD_MII
 #define CONFIG_CMD_NAND
 #undef CONFIG_CMD_PING

include/configs/zeus.h

@@ -78,7 +78,6 @@
 #define CONFIG_CMD_ELF
 #define CONFIG_CMD_I2C
 #define CONFIG_CMD_IRQ
-#define CONFIG_CMD_LOG
 #define CONFIG_CMD_MII
 #define CONFIG_CMD_NET
 #define CONFIG_CMD_NFS