[openthread] Enable some additional configuration flags.

Specifically:

 * `OPENTHREAD_CONFIG_DNS_CLIENT_ENABLE` (was previously a typo)
 * `OPENTHREAD_CONFIG_DNS_CLIENT_SERVICE_DISCOVERY_ENABLE`
 * `OPENTHREAD_CONFIG_PING_SENDER_ENABLE`

Bug: b/225402420
Change-Id: If43a8bc77ef8c55b8570037bb94a2e1311785ffd
Reviewed-on: https://fuchsia-review.googlesource.com/c/third_party/openthread/+/666455
Reviewed-by: Jiaming (Charlie) Wang <jiamingw@google.com>
diff --git a/include/openthread-config-fuchsia.h b/include/openthread-config-fuchsia.h
index 49fd788..bbfe43e 100644
--- a/include/openthread-config-fuchsia.h
+++ b/include/openthread-config-fuchsia.h
@@ -40,7 +40,13 @@
 #define OPENTHREAD_CONFIG_SRP_CLIENT_ENABLE 1
 
 /* Define to 1 to enable the DNS client API. */
-#define DOPENTHREAD_CONFIG_DNS_CLIENT_ENABLE 1
+#define OPENTHREAD_CONFIG_DNS_CLIENT_ENABLE 1
+
+/* Define to 1 to enable the DNS client service discovery API. */
+#define OPENTHREAD_CONFIG_DNS_CLIENT_SERVICE_DISCOVERY_ENABLE 1
+
+/* Define to 1 to enable the ping sender API. */
+#define OPENTHREAD_CONFIG_PING_SENDER_ENABLE 1
 
 /* Define to 0 to disable the CLI prompt. */
 #define OPENTHREAD_CONFIG_CLI_PROMPT_ENABLE 0