mbed_app.json configured to operate on senet

To enable cayenne, edit mbed_app.json, assign pins for desired function

Example:

        "cayenne": {
            "help": "compile main_cayenne.cpp instead of main.cpp",
            "value": 1
        },
        "analog_in_pin": {
            "help": "PA_0, PA_4, PA_5",
            "value": "PA_0"
        },
        "analog_out_pin": {
            "help": "PA_0, PB_5, PB_10, PB_11",
            "value": "PB_11"
        },
        "_digital_out_pin": {
            "help": "",
            "value": ""
        }
Revision:
41:ceea78461fbd
Parent:
32:4e80b9d620ee
Child:
46:a124538e2891
--- a/mbed-lora-radio-drv.lib	Tue Oct 09 10:45:22 2018 +0100
+++ b/mbed-lora-radio-drv.lib	Fri Oct 12 16:15:22 2018 +0100
@@ -1,1 +1,1 @@
-https://github.com/ARMmbed/mbed-semtech-lora-rf-drivers#a0540930dbf53ae4b1ca60e013021367188b522c
+https://github.com/ARMmbed/mbed-semtech-lora-rf-drivers#0c7dce4ff9bd36cc37cfdcfdbffbfaba83864d2e