slippy/falco/peppy: Fix SPD GPIO initialization.

SPD GPIOs were being read prior to initialization in romstage_common. To
fix, pass the copy_spd function to romstage_common, to be called at the
appropriate time (after PCH init, before DRAM init).

Change-Id: I2554813e56a58c8c81456f1a53cc8ce9c2030a73
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/58608
Reviewed-on: http://review.coreboot.org/4237
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>

src/mainboard/intel/baskingridge/romstage.c

@@ -19,6 +19,7 @@
  */
 
 #include <stdint.h>
+#include <stddef.h>
 #include <console/console.h>
 #include "cpu/intel/haswell/haswell.h"
 #include "northbridge/intel/haswell/haswell.h"
@@ -126,6 +127,7 @@ void mainboard_romstage_entry(unsigned long bist)
 		.gpio_map = &mainboard_gpio_map,
 		.rcba_config = &rcba_config[0],
 		.bist = bist,
+		.copy_spd = NULL,
 	};
 
 	/* Call into the real romstage main with this board's attributes. */