km/arm: cleanup defconfig files

Disable some unneeded config options and adapt the ident string.

CC: Stefan Roese <sr@denx.de>
Signed-off-by: Holger Brunck <holger.brunck@hitachi-powergrids.com>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/configs/kmnusa_defconfig b/configs/kmnusa_defconfig
index 6e6cc5a..faaa8d1 100644
--- a/configs/kmnusa_defconfig
+++ b/configs/kmnusa_defconfig
@@ -12,7 +12,7 @@
 CONFIG_ENV_SECT_SIZE=0x10000
 CONFIG_BOOTCOUNT_BOOTLIMIT=3
 CONFIG_ENV_OFFSET_REDUND=0xD0000
-CONFIG_IDENT_STRING="\nKeymile NUSA"
+CONFIG_IDENT_STRING="\nHitachi Power Grids Kirkwood"
 CONFIG_DEFAULT_DEVICE_TREE="kirkwood-km_kirkwood"
 CONFIG_SYS_EXTRA_OPTIONS="KM_NUSA"
 CONFIG_AUTOBOOT_KEYED=y
@@ -21,16 +21,18 @@
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_MISC_INIT_R=y
 CONFIG_HUSH_PARSER=y
+# CONFIG_BOOTM_NETBSD is not set
+# CONFIG_BOOTM_PLAN9 is not set
+# CONFIG_BOOTM_RTEMS is not set
+# CONFIG_BOOTM_VXWORKS is not set
 CONFIG_CMD_ASKENV=y
 CONFIG_CMD_GREPENV=y
 CONFIG_CMD_EEPROM=y
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_I2C=y
 CONFIG_CMD_NAND=y
-CONFIG_CMD_DHCP=y
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
-CONFIG_CMD_JFFS2=y
 CONFIG_CMD_MTDPARTS=y
 CONFIG_MTDIDS_DEFAULT="nand0=orion_nand"
 CONFIG_MTDPARTS_DEFAULT="mtdparts=orion_nand:-(ubi0);"