KVM: x86: Move KVM_MAX_MCE_BANKS to header file

Move KVM_MAX_MCE_BANKS to header file so that it can be used for TDX in
a future patch.

Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
[binbin: split into new patch]
Signed-off-by: Binbin Wu <binbin.wu@linux.intel.com>
Message-ID: <20250227012021.1778144-8-binbin.wu@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Author: yamahata

arch/x86/kvm/x86.c

@@ -90,7 +90,6 @@
 #include "trace.h"
 
 #define MAX_IO_MSRS 256
-#define KVM_MAX_MCE_BANKS 32
 
 /*
  * Note, kvm_caps fields should *never* have default values, all fields must be

arch/x86/kvm/x86.h

@@ -10,6 +10,8 @@
 #include "kvm_emulate.h"
 #include "cpuid.h"
 
+#define KVM_MAX_MCE_BANKS 32
+
 struct kvm_caps {
 	/* control of guest tsc rate supported? */
 	bool has_tsc_control;