x86/cpufeatures: Make AVX-VNNI depend on AVX

The 'noxsave' boot option disables support for AVX, but support for the
AVX-VNNI feature was still declared on CPUs that support it.  Fix this.

Signed-off-by: Eric Biggers <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Cc: Dave Hansen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: ebiggers

arch/x86/kernel/cpu/cpuid-deps.c

@@ -45,6 +45,7 @@ static const struct cpuid_dep cpuid_deps[] = {
 	{ X86_FEATURE_AES,			X86_FEATURE_XMM2      },
 	{ X86_FEATURE_SHA_NI,			X86_FEATURE_XMM2      },
 	{ X86_FEATURE_GFNI,			X86_FEATURE_XMM2      },
+	{ X86_FEATURE_AVX_VNNI,			X86_FEATURE_AVX       },
 	{ X86_FEATURE_FMA,			X86_FEATURE_AVX       },
 	{ X86_FEATURE_VAES,			X86_FEATURE_AVX       },
 	{ X86_FEATURE_VPCLMULQDQ,		X86_FEATURE_AVX       },