keys: Allow automatic module signature with SM3

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I8JZPP


CVE: NA

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Support SM3 algorithm for module automatic signature during
"make modules_install" and "make modules_sign".

Signed-off-by: GUO Zihua <guozihua@huawei.com>
Reviewed-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Reviewed-by: Chao Liu <liuchao173@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>
Conflicts:
	init/Kconfig
Signed-off-by: GUO Zihua <guozihua@huawei.com>