config: add initial openeuler_defconfig for x86_64

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

This defconfig is based on openEuler-22.03-LTS-SP1:
  cp /boot/config-5.10.0-136.12.0.86.oe2203sp1.x86_64 arch/x86/configs/openeuler_defconfig
  make update_oedefconfig
Signed-off-by: NXie XiuQi <xiexiuqi@huawei.com>