partially revert [22145], keep LINUX_KMOD_SUFFIX, needed to build external modules in ./packages

SVN-Revision: 22146

include/kernel.mk

@@ -16,6 +16,8 @@ ifeq ($(DUMP),1)
 else
   export GCC_HONOUR_COPTS=s
 
+  LINUX_KMOD_SUFFIX=ko
+
   ifneq (,$(findstring uml,$(BOARD)))
     KERNEL_CC?=$(HOSTCC)
     KERNEL_CROSS?=