x86, fixmap: add CONFIG_EFI

Impact: new fixmap allocation

FIX_EFI_IO_MAP_FIRST_PAGE is used only when EFI is enabled.
Signed-off-by: NGustavo F. Padovan <gustavo@las.ic.unicamp.br>
Acked-by: NGlauber Costa <gcosta@redhat.com>
Signed-off-by: NH. Peter Anvin <hpa@zytor.com>

arch/x86/include/asm/fixmap_64.h

@@ -16,7 +16,9 @@
 #include <asm/apicdef.h>
 #include <asm/page.h>
 #include <asm/vsyscall.h>
+#ifdef CONFIG_EFI
 #include <asm/efi.h>
+#endif
 
 /*
  * Here we define all the compile-time 'special' virtual
@@ -47,9 +49,11 @@ enum fixed_addresses {
 	FIX_IO_APIC_BASE_0,
 	FIX_IO_APIC_BASE_END = FIX_IO_APIC_BASE_0 + MAX_IO_APICS - 1,
 #endif
+#ifdef CONFIG_EFI
 	FIX_EFI_IO_MAP_LAST_PAGE,
 	FIX_EFI_IO_MAP_FIRST_PAGE = FIX_EFI_IO_MAP_LAST_PAGE
 				  + MAX_EFI_IO_PAGES - 1,
+#endif
 #ifdef CONFIG_PARAVIRT
 	FIX_PARAVIRT_BOOTMAP,
 #endif