remove redundant LINUX_KARCH variables

SVN-Revision: 18871

target/linux/coldfire/Makefile

@@ -12,7 +12,6 @@ BOARDNAME:=Freescale Coldfire v4e
 FEATURES:=squashfs broken
 
 LINUX_VERSION:=2.6.25.20
-LINUX_KARCH:=m68k
 
 include $(INCLUDE_DIR)/target.mk
 

target/linux/mpc52xx/Makefile

@@ -12,7 +12,6 @@ BOARDNAME:=Freescale MPC52xx
 FEATURES:=tgz ext2
 
 LINUX_VERSION:=2.6.30.10
-LINUX_KARCH:=powerpc
 
 include $(INCLUDE_DIR)/target.mk
 

target/linux/mpc83xx/Makefile

@@ -12,7 +12,6 @@ BOARDNAME:=Freescale MPC83xx
 FEATURES:=tgz broken
 
 LINUX_VERSION:=2.6.30.10
-LINUX_KARCH:=powerpc
 
 include $(INCLUDE_DIR)/target.mk
 

target/linux/ppc40x/Makefile

@@ -13,7 +13,6 @@ FEATURES:=squashfs
 CFLAGS:=-Os -pipe -funit-at-a-time -mcpu=405
 
 LINUX_VERSION:=2.6.30.10
-LINUX_KARCH:=powerpc
 
 include $(INCLUDE_DIR)/target.mk
 

target/linux/ppc44x/Makefile

@@ -13,7 +13,6 @@ FEATURES:=squashfs
 CFLAGS:=-Os -pipe -funit-at-a-time -mcpu=440
 
 LINUX_VERSION:=2.6.30.10
-LINUX_KARCH:=powerpc
 
 include $(INCLUDE_DIR)/target.mk