include: fix nonshared flag handling

Fix nonshared flag handling to properly deal with source packages defining
both kmod and non-kmod ipks.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

include/kernel.mk

@@ -81,6 +81,7 @@ endif
 define KernelPackage/Defaults
   FILES:=
   AUTOLOAD:=
+  PKGFLAGS+=nonshared
 endef
 
 define ModuleAutoLoad
@@ -155,7 +156,7 @@ define KernelPackage
     DESCRIPTION:=$(DESCRIPTION)
     EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(LINUX_RELEASE)-$(LINUX_VERMAGIC))
     VERSION:=$(LINUX_VERSION)$(if $(PKG_VERSION),+$(PKG_VERSION))-$(if $(PKG_RELEASE),$(PKG_RELEASE),$(LINUX_RELEASE))
-    PKG_FLAGS:=nonshared
+    PKGFLAGS:=$(PKGFLAGS)
     $(call KernelPackage/$(1))
     $(call KernelPackage/$(1)/$(BOARD))
   endef

include/package-dumpinfo.mk

@@ -41,7 +41,7 @@ $(if $(DEFAULT_VARIANT),Default-Variant: $(VARIANT)
 )$(if $(BUILD_TYPES),Build-Types: $(BUILD_TYPES)
 )Section: $(SECTION)
 Category: $(CATEGORY)
-$(if $(filter nonshared,$(PKG_FLAGS)),,Repository: $(if $(FEED),$(FEED),base)
+$(if $(filter nonshared,$(PKGFLAGS)),,Repository: $(if $(FEED),$(FEED),base)
 )Title: $(TITLE)
 Maintainer: $(MAINTAINER)
 $(if $(USERID),Require-User: $(USERID)