LoongArch: Fix module relocation error with binutils 2.41

mainline inclusion
from mainline-v6.5-rc4
commit 03c53eb9
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I80YEI
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.5.2&id=03c53eb90c0c61885b2175adf8675fb56df7f8db



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Binutils 2.41 enables linker relaxation by default, but the kernel
module loader doesn't support that, so just disable it. Otherwise we
get such an error when loading modules:

"Unknown relocation type 102"

As an alternative, we could add linker relaxation support in the kernel
module loader. But it is relatively large complexity that may or may not
bring a similar gain, and we don't really want to include this linker
pass in the kernel.

Reviewed-by: WANG Xuerui <git@xen0n.name>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>