Incorporating review comments

Ashok Rao · cmonr · commit af3f7a03573a · 2018-03-14T14:48:10.000-05:00
diff --git a/targets/targets.json b/targets/targets.json
@@ -3555,7 +3555,7 @@
         },
         "overrides": {
             "lf_clock_src": "NRF_LF_SRC_RC",
-			"uart_hwfc": 0
+            "uart_hwfc": 0
         }
     },
     "DELTA_DFBM_NQ620": {
