share/man/man7/simd.7: document strncmp amd64 scalar, baseline implementations

Sponsored by:	The FreeBSD Foundation
Tested by:	developers@, exp-run
Approved by:	mjg
MFC after:	1 month
MFC to:		stable/14
PR:		275785
Differential Revision:	https://reviews.freebsd.org/D42122

share/man/man7/simd.7

@@ -24,7 +24,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE
 .
-.Dd September 25, 2023
+.Dd October 7, 2023
 .Dt SIMD 7
 .Os
 .Sh NAME
@@ -72,7 +72,7 @@ Enhanced functions are present in the following architectures:
 .It    strcpy            Ta            Ta        Ta    S1     Ta    S    Ta    S2
 .It    strcspn           Ta            Ta        Ta    S2
 .It    strlen            Ta            Ta    S   Ta    S1
-.It    strncmp           Ta            Ta    S   Ta           Ta    S
+.It    strncmp           Ta            Ta    S   Ta    S1     Ta    S
 .It    strncpy           Ta            Ta        Ta           Ta         Ta    S2
 .It    strnlen           Ta            Ta        Ta    S1
 .It    strrchr           Ta    S       Ta        Ta           Ta    S