platform,target: mdm9607: Add platform id for mdm9206.

Add platform id for mdm9206.

Change-Id: I270ae65c2dced122254767281d721bc7ba817217
diff --git a/include/platform.h b/include/platform.h
index e29b006..884d29e 100644
--- a/include/platform.h
+++ b/include/platform.h
@@ -89,4 +89,5 @@
 bool platform_is_sdxhedgehog();
 uint64_t platform_get_ddr_start();
 bool platform_is_glink_enabled();
+bool platform_is_mdm9206();
 #endif