hikey: Add supplicant to HIDL manifest

Bug: 38429713
Test: Compiles
Change-Id: I92c269b0f5c462d26c4afa2590c777f9a2bd2543
diff --git a/manifest.xml b/manifest.xml
index 9d7e2b4..6d489e9 100644
--- a/manifest.xml
+++ b/manifest.xml
@@ -8,4 +8,13 @@
             <instance>default</instance>
         </interface>
     </hal>
+    <hal format="hidl">
+        <name>android.hardware.wifi.supplicant</name>
+        <transport>hwbinder</transport>
+        <version>1.0</version>
+        <interface>
+            <name>ISupplicant</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
 </manifest>