kconfig: Add script to update openeuler_defconfig

hulk inclusion
bugzilla: https://gitee.com/openeuler/kernel/issues/I68D0O

Reference: https://gitee.com/openeuler/kernel/pulls/286
Reference: https://gitee.com/openeuler/kernel/commit/ca1af5899ef7c1e1617913ecee37d53972f701fb

update_oedefconfig:run make openeuler_defconfig and copy .config to arch/$(SRCARCH)/configs/openeuler_defconfig
save_oedefconfig:copy .config to arch/$(SRCARCH)/configs/openeuler_defconfig
Signed-off-by: NLiu Chao <liuchao173@huawei.com>
[XQ: 1. update helper message
     2. remove more auto generated CONFIG.]
Signed-off-by: NXie XiuQi <xiexiuqi@huawei.com>

scripts/kconfig/Makefile

@@ -81,6 +81,14 @@ PHONY += savedefconfig defconfig
 savedefconfig: $(obj)/conf
 	$(Q)$< $(silent) --$@=defconfig $(Kconfig)
 
+update_oedefconfig: $(obj)/conf
+	$(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/openeuler_defconfig $(Kconfig)
+	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/makeconfig.sh $(SRCARCH)
+
+save_oedefconfig: $(obj)/conf
+	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/makeconfig.sh $(SRCARCH)
+
+
 defconfig: $(obj)/conf
 ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),)
 	@$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
@@ -141,6 +149,8 @@ help:
 	@echo  '                    default value without prompting'
 	@echo  '  tinyconfig	  - Configure the tiniest possible kernel'
 	@echo  '  testconfig	  - Run Kconfig unit tests (requires python3 and pytest)'
+	@echo  '  update_oedefconfig  - Update arch/<ARCH>/configs/openeuler_defconfig base on current source code'
+	@echo  '  save_oedefconfig    - Save current .config to arch/<ARCH>/configs/openeuler_defconfig'
 
 # ===========================================================================
 # object files used by all kconfig flavours

scripts/kconfig/makeconfig.sh

+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+if [ ! -f .config ]; then
+	echo ".config does not exist"
+	exit 1
+fi
+
+sed -e '/CONFIG_CC_VERSION_TEXT/d' \
+    -e '/CONFIG_CC_IS_GCC/d' \
+    -e '/CONFIG_GCC_VERSION/d' \
+    -e '/CONFIG_LD_VERSION/d' \
+    -e '/CONFIG_LD_IS/d' \
+    -e '/CONFIG_CLANG_VERSION/d' \
+    -e '/CONFIG_LLD_VERSION/d' \
+    -e '/CONFIG_CC_CAN/d' \
+    -e '/CONFIG_CC_HAS/d' \
+    -e '/CONFIG_AS_VERSION/d' \
+    -e '/CONFIG_AS_HAS/d' \
+    -e '/CONFIG_AS_IS/d' \
+    -e '/CONFIG_PAHOLE_VERSION/d' \
+    -i .config
+
+cp .config arch/$1/configs/openeuler_defconfig