x86emul: correct AVX512VL+VPCLMUL test descriptions

The stride values (based on 32-bit element size) were wrong for these
two test, yielding misleading output (especially when comparing with the
test variants also involving AVX512-VBMI2).

Also insert a missing blank on a nearby, related line.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>

tools/tests/x86_emulator/test_x86_emulator.c

@@ -520,10 +520,10 @@ static const struct {
     SIMD(VAES (EVEX/x64), avx512bw_vaes,      64),
     AVX512VL(VL+VAES (x16), avx512bw_vaes,    16),
     AVX512VL(VL+VAES (x32), avx512bw_vaes,    32),
-    SIMD(VPCLMUL (VEX/x4), avx2_vpclmulqdq,  32),
+    SIMD(VPCLMUL (VEX/x4), avx2_vpclmulqdq,   32),
     SIMD(VPCLMUL (EVEX/x8), avx512bw_vpclmulqdq, 64),
-    AVX512VL(VL+VPCLMUL (x4), avx512bw_vpclmulqdq, 16),
-    AVX512VL(VL+VPCLMUL (x8), avx512bw_vpclmulqdq, 32),
+    AVX512VL(VL+VPCLMUL (x2), avx512bw_vpclmulqdq, 16),
+    AVX512VL(VL+VPCLMUL (x4), avx512bw_vpclmulqdq, 32),
     SIMD(AVX512_VBMI2+VPCLMUL (x8), avx512vbmi2_vpclmulqdq, 64),
     AVX512VL(_VBMI2+VL+VPCLMUL (x2), avx512vbmi2_vpclmulqdq, 16),
     AVX512VL(_VBMI2+VL+VPCLMUL (x4), avx512vbmi2_vpclmulqdq, 32),