!56 openeuler_defconfig: enable CONFIG_BPF_SCHED for x86

Merge Pull Request from: @zhengzengkai 
 
Enable CONFIG_BPF_SCHED for x86 by default for following feature:
 bpf: sched: Introduce Scheduler BPF v3 (https://gitee.com/openeuler/kernel/pulls/43)
BTW: Arm64 does not support trampoline yet, so no need to enable CONFIG_BPF_SCHED for arm64 
 
Link:https://gitee.com/openeuler/kernel/pulls/56 
Reviewed-by: Xie XiuQi <xiexiuqi@huawei.com> 
Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com> 

arch/x86/configs/openeuler_defconfig

@@ -235,6 +235,7 @@ CONFIG_KALLSYMS_ALL=y
 CONFIG_KALLSYMS_ABSOLUTE_PERCPU=y
 CONFIG_KALLSYMS_BASE_RELATIVE=y
 # CONFIG_BPF_LSM is not set
+CONFIG_BPF_SCHED=y
 CONFIG_BPF_SYSCALL=y
 CONFIG_ARCH_WANT_DEFAULT_BPF_JIT=y
 CONFIG_BPF_JIT_ALWAYS_ON=y