cleanup json

Author: paul-szczepanek-arm

features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NORDIC_CORDIO/TARGET_NRF5x/mbed_lib.json

@@ -2,12 +2,18 @@
     "name": "cordio-nordic-ll",
     "config": {
         "uart-hci": {
-            "help": "Does the board have a UART HCI. Valid values are 0 (need to provide your own HCI driver) and 1 (HCI trhough UART).",
+            "help": "Does the board have a UART HCI. Valid values are 0 and 1 (must provide UART through PAL).",
             "value": 0,
             "macro_name": "CHCI_TR_UART"
         }
     },
     "macros": [
-        "INIT_BROADCASTER", "INIT_OBSERVER", "INIT_CENTRAL", "INIT_PERIPHERAL", "INIT_ENCRYPTED", "LHCI_ENABLE_VS=0", "BB_CLK_RATE_HZ=1000000"
+        "INIT_BROADCASTER",
+        "INIT_OBSERVER",
+        "INIT_CENTRAL",
+        "INIT_PERIPHERAL",
+        "INIT_ENCRYPTED",
+        "LHCI_ENABLE_VS=0",
+        "BB_CLK_RATE_HZ=1000000"
     ]
 }