!46 config: enable CONFIG_SCHED_PRIO_LB for x86 and arm64

Merge Pull Request from: @zhangsong234 
 
set CONFIG_SCHED_PRIO_LB to y:

This feature enable priority load balance
for CFS, which prefer migrating online tasks
and migrating offline tasks secondly.

Reference: https://gitee.com/openeuler/kernel/pulls/41
 
 
Link:https://gitee.com/openeuler/kernel/pulls/46 
Reviewed-by: Zheng Zengkai <zhengzengkai@huawei.com> 
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com> 

arch/arm64/configs/openeuler_defconfig

@@ -139,6 +139,7 @@ CONFIG_CGROUP_WRITEBACK=y
 CONFIG_CGROUP_SCHED=y
 CONFIG_FAIR_GROUP_SCHED=y
 CONFIG_QOS_SCHED_SMT_EXPELLER=y
+CONFIG_SCHED_PRIO_LB=y
 CONFIG_CFS_BANDWIDTH=y
 CONFIG_RT_GROUP_SCHED=y
 CONFIG_CGROUP_PIDS=y

arch/x86/configs/openeuler_defconfig

@@ -159,6 +159,7 @@ CONFIG_CGROUP_SCHED=y
 CONFIG_QOS_SCHED=y
 CONFIG_FAIR_GROUP_SCHED=y
 CONFIG_QOS_SCHED_SMT_EXPELLER=y
+CONFIG_SCHED_PRIO_LB=y
 CONFIG_CFS_BANDWIDTH=y
 CONFIG_RT_GROUP_SCHED=y
 CONFIG_CGROUP_PIDS=y