SoftSPI is not needed on SAMD arch

Author: tbowmo

libraries/MySensors/examples/GatewayW5100/GatewayW5100.ino

@@ -57,7 +57,7 @@
 // Enable Soft SPI for NRF radio (note different radio wiring is required)
 // The W5100 ethernet module seems to have a hard time co-operate with 
 // radio on the same spi bus.
-#if !defined(MY_W5100_SPI_EN)
+#if !defined(MY_W5100_SPI_EN) && !defined(ARDUINO_ARCH_SAMD)
   #define MY_SOFTSPI
   #define MY_SOFT_SPI_SCK_PIN 14
   #define MY_SOFT_SPI_MISO_PIN 16