move example to Bluefruit52Lib/Hardware, update example with float for readability

Author: hathach

libraries/nrfx_examples/examples/nrfx_temp_blocking/nrfx_temp_blocking.ino renamed to libraries/Bluefruit52Lib/examples/Hardware/temp_measure_blocking/temp_measure_blocking.ino

@@ -16,7 +16,10 @@ void setup() {
 void loop() {
   nrfx_temp_measure(); // In blocking mode: this function waits until the measurement is finished.
   int32_t raw_temp = nrfx_temp_result_get();
-  Serial.println(nrfx_temp_calculate(raw_temp));
+  float temp_c = raw_temp / 4.0;
+
+  Serial.print(temp_c);
+  Serial.println(" C");
 
   delay(1000);
 }

libraries/nrfx_examples/examples/nrfx_temp_non-blocking/nrfx_temp_non-blocking.ino renamed to libraries/Bluefruit52Lib/examples/Hardware/temp_measure_non_blocking/temp_measure_non_blocking.ino

@@ -9,7 +9,9 @@ nrfx_temp_config_t config = NRFX_TEMP_DEFAULT_CONFIG;
 
 // this function is called when the temperature measurement is ready
 void temp_handler(int32_t raw_temp) {
-  Serial.println(nrfx_temp_calculate(raw_temp));
+  float temp_c = raw_temp / 4.0;
+  Serial.print(temp_c);
+  Serial.println(" C");
 }
 
 void setup() {