apps/blehci: Update configuration for new transport

Dependency to nimble/controller is not needed since blehci can now run
on both app (as a bridge to net core) and net core.

For non-netcore build we select UART by default, otherwise keep whatever
default was set by BSP.

apps/blehci/pkg.yml

@@ -27,7 +27,6 @@ pkg.deps:
     - "@apache-mynewt-core/sys/log/stub"
     - "@apache-mynewt-core/sys/stats/full"
     - "@apache-mynewt-core/kernel/os"
-    - nimble/controller
     - nimble/transport
 
 pkg.req_apis:

apps/blehci/syscfg.yml

@@ -19,7 +19,9 @@
 syscfg.vals:
     # Default task settings
     OS_MAIN_STACK_SIZE: 64
-    # Use UART transport by default
-    BLE_HCI_TRANSPORT: uart
     # Stub console
     CONSOLE_MODE: stub
+
+syscfg.vals.'!BLE_TRANSPORT_NETCORE':
+    # Use UART by default if not built on netcore
+    BLE_TRANSPORT_HS: uart