revert CONFIG_* symbols set m enforcement introduced in [8591], it can't work when symbols from different kernel versions are mixed in KCONFIG

SVN-Revision: 8798

include/kernel.mk

@@ -115,8 +115,7 @@ $(call KernelPackage/$(1)/description)
     endef
   endif
 
-  # check that all CONFIG_* symbols in $(KCONFIG) are set to 'm'
-  ifeq ($(filter-out m,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$(if $($(c)),$($(c)),n))),)
+  ifneq ($(if $(KCONFIG),$(filter m,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),)
     ifneq ($(strip $(FILES)),)
       define Package/kmod-$(1)/install
 		  mkdir -p $$(1)/lib/modules/$(LINUX_VERSION)

include/netfilter.mk

@@ -16,9 +16,7 @@ endif
 
 define nf_add
  $(1)-$$($(2)) += $(3)
- ifeq ($$($(2)),m)
  KCONFIG_$(1) += $(2)
- endif
 endef
 
 IPT_CONNTRACK-m :=