x86: Move Intel GNVS file into the common include directory

Move this so we can include it from sandbox, needed since it is in a
bloblist and must have a check.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/x86/cpu/intel_common/acpi.c b/arch/x86/cpu/intel_common/acpi.c
index 982149b..8688232 100644
--- a/arch/x86/cpu/intel_common/acpi.c
+++ b/arch/x86/cpu/intel_common/acpi.c
@@ -11,6 +11,7 @@
 #include <bloblist.h>
 #include <cpu.h>
 #include <dm.h>
+#include <intel_gnvs.h>
 #include <acpi/acpigen.h>
 #include <asm/acpigen.h>
 #include <asm/acpi_table.h>
@@ -23,7 +24,6 @@
 #include <asm/mpspec.h>
 #include <asm/smm.h>
 #include <asm/turbo.h>
-#include <asm/intel_gnvs.h>
 #include <asm/arch/iomap.h>
 #include <asm/arch/pm.h>
 #include <asm/arch/systemagent.h>