openeuler_defconfig: enable CONFIG_CGROUP_V1_WRITEBACK in openeuler_defconfig for x86 and arm64

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I8LY4S



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set CONFIG_CGROUP_V1_WRITEBACK=y in openeuler_defconfig for x86 and arm64.

Signed-off-by: Lu Jialin <lujialin4@huawei.com>
Signed-off-by: chenridong <chenridong@huawei.com>