make OPTIMIZE_INLINING config editable

hulk inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I8PGC4



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for performance reasons, hulk 6.6 do not use OPTIMIZE_INLINING.
it using gnu_inline attribute causing inline functions not really inline,
which introducing performance issues,so we make it editable(default disable)
and adapt some link conflicting functions.

Signed-off-by: Guo Xuenan <guoxuenan@huawei.com>
Signed-off-by: Yuntao Liu <liuyuntao12@huawei.com>