Minor ifdef rename as it now covers more than just Ed25519

for hardware encryption. Now `USE_CC310_HW_CRYPTO`

src/helpers/radiolib/RadioLibWrappers.h

@@ -3,7 +3,7 @@
 #include <Mesh.h>
 #include <RadioLib.h>
 
-#ifdef USE_CC310_ED25519
+#ifdef USE_CC310_HW_CRYPTO
 #include <Adafruit_nRFCrypto.h>
 #endif
 
@@ -84,7 +84,7 @@ public:
   RadioNoiseListener(PhysicalLayer& radio): _radio(&radio) { }
 
   void random(uint8_t* dest, size_t sz) override {
-#ifdef USE_CC310_ED25519
+#ifdef USE_CC310_HW_CRYPTO
     // CC310 TRNG is higher quality and environment-independent vs radio RSSI noise.
     nRFCrypto.begin();
     nRFCrypto.Random.generate(dest, (uint16_t)sz);