hg: jdk/hs: 8194279: support zhaoxin x86 cpu vendor ids CentaurHauls and Shanghai

[david.holmes at oracle.com]

Changeset: a5548cf24286
Author:    dholmes
Date:      2018-01-04 22:54 -0500
URL:       http://hg.openjdk.java.net/jdk/hs/rev/a5548cf24286

8194279: support zhaoxin x86 cpu vendor ids CentaurHauls and Shanghai
Reviewed-by: dholmes, kvn
Contributed-by: Vic Wang <vicwang at zhaoxin.com>

! src/hotspot/cpu/x86/assembler_x86.cpp
! src/hotspot/cpu/x86/vm_version_x86.cpp
! src/hotspot/cpu/x86/vm_version_x86.hpp