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:
29:0da9196c900a
Parent:
26:f07f5febf97f
Child:
32:4e80b9d620ee
--- a/mbed-lora-radio-drv.lib	Mon Jul 23 08:00:21 2018 +0100
+++ b/mbed-lora-radio-drv.lib	Mon Jul 23 12:00:22 2018 +0100
@@ -1,1 +1,1 @@
-https://github.com/ARMmbed/mbed-semtech-lora-rf-drivers#5532d9d1f4d7c57133aed48c023e332b2a5a24ba
\ No newline at end of file
+https://github.com/ARMmbed/mbed-semtech-lora-rf-drivers#1a18f0a174c33b3ca0127fc0d5ad8902a4e3b50b