x86: Rename X86_CR4_RDWRGSFS to X86_CR4_FSGSBASE

Rename X86_CR4_RDWRGSFS to X86_CR4_FSGSBASE to match the SDM.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Gleb Natapov <gleb@redhat.com>
Link: http://lkml.kernel.org/n/tip-buq1evi5dpykxx7ak6amaam0@git.kernel.org

diff --cc arch/x86/include/asm/kvm_host.h
Simple merge

diff --cc arch/x86/include/uapi/asm/processor-flags.h
Simple merge

diff --cc arch/x86/kvm/x86.c
Simple merge