app: aboot: Add delay before rebooting to recovery,if boot image not signed properly

Add delay in case the boot image is not signed properly, so as to display the fbcon
message, before rebooting into recovery.

Change-Id: I74c51288f310e3ace8d9c285b75d58ad74a24d21
diff --git a/app/aboot/aboot.c b/app/aboot/aboot.c
index 0800957..07a8d76 100644
--- a/app/aboot/aboot.c
+++ b/app/aboot/aboot.c
@@ -58,6 +58,7 @@
 #include <boot_verifier.h>
 #include <image_verify.h>
 #include <decompress.h>
+#include <platform/timer.h>
 #if USE_RPMB_FOR_DEVINFO
 #include <rpmb.h>
 #endif
@@ -791,6 +792,7 @@
 		{
 			dprintf(CRITICAL,
 					"Device verification failed. Rebooting into recovery.\n");
+			mdelay(1000);
 			reboot_device(RECOVERY_MODE);
 		}
 		else