x86/intel_cacheinfo: Enable cache id in cache info

Cache id is retrieved from APIC ID and CPUID leaf 4 on x86.

For more details please see the section on "Cache ID Extraction
Parameters" in "Intel 64 Architecture Processor Topology Enumeration".

Also the documentation of the CPUID instruction in the "Intel 64 and
IA-32 Architectures Software Developer's Manual"

Signed-off-by: Fenghua Yu <[email protected]>
Cc: "Ravi V Shankar" <[email protected]>
Cc: "Tony Luck" <[email protected]>
Cc: "David Carrillo-Cisneros" <[email protected]>
Cc: "Sai Prakhya" <[email protected]>
Cc: "Peter Zijlstra" <[email protected]>
Cc: "Stephane Eranian" <[email protected]>
Cc: "Dave Hansen" <[email protected]>
Cc: "Shaohua Li" <[email protected]>
Cc: "Nilay Vaish" <[email protected]>
Cc: "Vikas Shivappa" <[email protected]>
Cc: "Ingo Molnar" <[email protected]>
Cc: "Borislav Petkov" <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Thomas Gleixner <[email protected]>

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