crypto: ecrdsa - Fix incorrect use of vli_cmp

stable inclusion
from stable-v5.10.120
commit 6a1cc25494056e6b8dff243f8b3d9c57259535f6
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I5L6BR

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=6a1cc25494056e6b8dff243f8b3d9c57259535f6



--------------------------------

commit 7cc7ab73 upstream.

Correctly compare values that shall be greater-or-equal and not just
greater.

Fixes: 0d7a7864 ("crypto: ecrdsa - add EC-RDSA (GOST 34.10) algorithm")
Cc: <stable@vger.kernel.org>
Signed-off-by: Vitaly Chikunov <vt@altlinux.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>
Acked-by: Xie XiuQi <xiexiuqi@huawei.com>