feat(spi): Add return values to SPI begin

Author: Jason2866

libraries/SPI/src/SPI.h

@@ -61,7 +61,7 @@ class SPIClass {
 public:
   SPIClass(uint8_t spi_bus = HSPI);
   ~SPIClass();
-  void begin(int8_t sck = -1, int8_t miso = -1, int8_t mosi = -1, int8_t ss = -1);
+  bool begin(int8_t sck = -1, int8_t miso = -1, int8_t mosi = -1, int8_t ss = -1);
   void end();
 
   void setHwCs(bool use);