yabel: explicitly cast values to match printk expectations

Change-Id: Id2230ecd800b138b6ccbbac318e71c9edf076c75
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/12116
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/src/device/oprom/yabel/device.h b/src/device/oprom/yabel/device.h
index a8dfc8c..b8891ee 100644
--- a/src/device/oprom/yabel/device.h
+++ b/src/device/oprom/yabel/device.h
@@ -176,10 +176,10 @@
 	u64 hid;
 	//HID1 = 1009
 	__asm__ __volatile__("mfspr %0, 1009":"=r"(hid));
-	printf("HID1: %016llx\n", hid);
+	printf("HID1: %016llx\n", (unsigned long long)hid);
 	//HID4 = 1012
 	__asm__ __volatile__("mfspr %0, 1012":"=r"(hid));
-	printf("HID4: %016llx\n", hid);
+	printf("HID4: %016llx\n", (unsigned long long)hid);
 }
 
 #endif