arm32: kaslr: Fix the bug of symbols relocation

hulk inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I8KNA9


CVE: NA

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Use adr_l instead of adr macro for symbol relocation, because linux
symbol relocation has scope restrictions.

Signed-off-by: Cui GaoSheng <cuigaosheng1@huawei.com>
Signed-off-by: Felix Fu <fuzhen5@huawei.com>