fix kernel patching

target/linux/config/Config.in.kernel

@@ -180,6 +180,8 @@ config ADK_KERNEL_HIGHMEM
 	prompt "Enable high memory"
 	boolean
 	default y if ADK_TARGET_CUBOX_I4PRO
+	default y if ADK_TARGET_CUBOX_I2ULTRA
+	default y if ADK_TARGET_SYSTEM_IBM_X40
 	default n
 
 config ADK_KERNEL_PREEMPT

toolchain/kernel-headers/Makefile

@@ -10,9 +10,9 @@ include ${TOPDIR}/mk/buildhlp.mk
 $(TOOLCHAIN_BUILD_DIR)/w-$(PKG_NAME)-$(PKG_VERSION)-$(PKG_RELEASE)/linux-$(KERNEL_VERSION)/.patched:
 	$(TRACE) kernel-patch
 	$(PATCH) $(TOOLCHAIN_BUILD_DIR)/w-$(PKG_NAME)-$(PKG_VERSION)-$(PKG_RELEASE)/linux-$(KERNEL_VERSION) \
-		../linux/patches/$(KERNEL_VERSION) *.patch $(MAKE_TRACE)
+		$(TOPDIR)/target/linux/patches/$(KERNEL_VERSION) *.patch $(MAKE_TRACE)
 	$(PATCH) $(TOOLCHAIN_BUILD_DIR)/w-$(PKG_NAME)-$(PKG_VERSION)-$(PKG_RELEASE)/linux-$(KERNEL_VERSION) \
-		../$(ARCH)/$(ADK_TARGET_SYSTEM)/patches/$(KERNEL_VERSION) *.patch $(MAKE_TRACE)
+		$(TOPDIR)/target/$(ARCH)/$(ADK_TARGET_SYSTEM)/patches/$(KERNEL_VERSION) *.patch $(MAKE_TRACE)
 	touch $@
 
 $(WRKBUILD)/.headers: $(TOOLCHAIN_BUILD_DIR)/w-$(PKG_NAME)-$(PKG_VERSION)-$(PKG_RELEASE)/linux-$(KERNEL_VERSION)/.patched