cbmem: add indicator to hooks if cbmem is being recovered

It can be helpful to certain users of the cbmem init hooks
to know if recovery was done or not. Therefore, add this
as a parameter to the hooks.

Change-Id: I049fc191059cfdb8095986d3dc4eee9e25cf5452
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/10480
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

src/arch/x86/boot/gdt.c

@@ -32,7 +32,7 @@ struct gdtarg {
 /* Copy GDT to new location and reload it.
  * FIXME: We only do this for BSP CPU.
  */
-static void move_gdt(void)
+static void move_gdt(int is_recovery)
 {
 	void *newgdt;
 	u16 num_gdt_bytes = (u32)&gdt_end - (u32)&gdt;