chromeos: fix some compilation issues

This fixes some compilation issues observed with CONFIG_CHROMEOS.
Nothing within the vbootX subdirectories is functional yet, but
a partial compilation within the chromeos direction works now.
Notable fixes: duplicate definitions and missing prototypes.

Change-Id: I53c7b6dcf06b8bcf41a8555094b48968c0740026
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9936
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/src/vendorcode/google/chromeos/chromeos.c b/src/vendorcode/google/chromeos/chromeos.c
index 08d9692..1da9676 100644
--- a/src/vendorcode/google/chromeos/chromeos.c
+++ b/src/vendorcode/google/chromeos/chromeos.c
@@ -26,33 +26,6 @@
 #include <console/console.h>
 #include "vboot_handoff.h"
 
-static int vboot_enable_developer(void)
-{
-	struct vboot_handoff *vbho;
-
-	vbho = cbmem_find(CBMEM_ID_VBOOT_HANDOFF);
-
-	if (vbho == NULL) {
-		printk(BIOS_ERR, "%s: Couldn't find vboot_handoff structure!\n",
-		        __func__);
-		return 0;
-	}
-
-	return !!(vbho->init_params.out_flags & VB_INIT_OUT_ENABLE_DEVELOPER);
-}
-
-static int vboot_enable_recovery(void)
-{
-	struct vboot_handoff *vbho;
-
-	vbho = cbmem_find(CBMEM_ID_VBOOT_HANDOFF);
-
-	if (vbho == NULL)
-		return 0;
-
-	return !!(vbho->init_params.out_flags & VB_INIT_OUT_ENABLE_RECOVERY);
-}
-
 int vboot_skip_display_init(void)
 {
 	struct vboot_handoff *vbho;
diff --git a/src/vendorcode/google/chromeos/chromeos.h b/src/vendorcode/google/chromeos/chromeos.h
index 7e7ba9a..78be422 100644
--- a/src/vendorcode/google/chromeos/chromeos.h
+++ b/src/vendorcode/google/chromeos/chromeos.h
@@ -23,9 +23,14 @@
 #include <stddef.h>
 #include <stdint.h>
 #include <bootmode.h>
+#include <rules.h>
 #include "vboot_common.h"
 #include "vboot2/misc.h"
 
+#if ENV_ROMSTAGE
+void save_chromeos_gpios(void);
+#endif
+
 /* functions implemented in vbnv.c: */
 int get_recovery_mode_from_vbnv(void);
 int vboot_wants_oprom(void);