ixp4xx: Minor bump of kernel to 2.6.21.7

SVN-Revision: 9969

target/linux/ixp4xx/Makefile

@@ -12,7 +12,7 @@ BOARDNAME:=Intel XScale IXP4xx
 FEATURES:=squashfs
 SUBTARGETS=generic harddisk
 
-LINUX_VERSION:=2.6.21.6
+LINUX_VERSION:=2.6.21.7
 
 include $(INCLUDE_DIR)/target.mk