Check for RADIOLIB_SPI_PARANOID = 1 rather than just defined (#883)

* Update BuildOpt.h to set RADIOLIB_SPI_PARANOID to 1 by default

* Update Module.cpp to check for RADIOLIB_SPI_PARANOID set to 1

src/BuildOpt.h

@@ -358,13 +358,13 @@
 #endif
 
 /*
- * Uncomment to enable "paranoid" SPI mode
+ * Comment to disable "paranoid" SPI mode, or set RADIOLIB_SPI_PARANOID to 0
  * Every write to an SPI register using SPI set function will be verified by a subsequent read operation.
  * This improves reliability, but slightly slows down communication.
  * Note: Enabled by default.
  */
 #if !defined(RADIOLIB_SPI_PARANOID)
-  #define RADIOLIB_SPI_PARANOID
+  #define RADIOLIB_SPI_PARANOID 1
 #endif
 
 /*

src/Module.cpp

@@ -75,7 +75,7 @@ int16_t Module::SPIsetRegValue(uint16_t reg, uint8_t value, uint8_t msb, uint8_t
   uint8_t newValue = (currentValue & ~mask) | (value & mask);
   SPIwriteRegister(reg, newValue);
 
-  #if defined(RADIOLIB_SPI_PARANOID)
+  #if RADIOLIB_SPI_PARANOID
     // check register value each millisecond until check interval is reached
     // some registers need a bit of time to process the change (e.g. SX127X_REG_OP_MODE)
     uint32_t start = this->hal->micros();
@@ -240,7 +240,7 @@ int16_t Module::SPIwriteStream(uint8_t* cmd, uint8_t cmdLen, uint8_t* data, size
 int16_t Module::SPIcheckStream() {
   int16_t state = RADIOLIB_ERR_NONE;
 
-  #if defined(RADIOLIB_SPI_PARANOID)
+  #if RADIOLIB_SPI_PARANOID
   // get the status
   uint8_t spiStatus = 0;
   uint8_t cmd = this->SPIstatusCommand;