Fix typo, add one VBDEBUG.

BUG=none
TEST=none

Change-Id: Ie82c5eb3052c84272da4bf21d80cc2bf204fd08d
Reviewed-on: https://gerrit.chromium.org/gerrit/11670
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
Tested-by: Bill Richardson <wfrichar@chromium.org>

firmware/lib/vboot_api_kernel.c

@@ -179,6 +179,7 @@ VbError_t VbBootDeveloper(VbCommonParams* cparams, LoadKernelParams* p) {
         }
         break;
       default:
+        VBDEBUG(("VbBootDeveloper() - pressed key %d\n", key));
         VbCheckDisplayKey(cparams, key, &vnc);
         break;
     }