util/ectool: Fix timeout on sending EC command

When setting output to verbose, it incorrectly reports that it times
out on every command.

TESTED on Thinkpad X60.

Change-Id: I24f05f0c165462d5ba2604c7e2fe139400683275
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/19151
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Alexander Couzens <lynxis@fe80.eu>

util/ectool/ec.c

@@ -70,7 +70,7 @@ int send_ec_data(uint8_t data)
 		if ((timeout & 0xff) == 0)
 			debug(".");
 	}
-	if (timeout) {
+	if (!timeout) {
 		debug("Timeout while sending data 0x%02x to EC!\n", data);
 		// return -1;
 	}