Increase default SPI freq to support faster task logging.

Author: nseidle

Firmware/RTK_Surveyor/settings.h

@@ -268,7 +268,7 @@ struct struct_settings {
   bool enableHeapReport = false; //Turn on to display free heap
   bool enableTaskReports = false; //Turn on to display task high water marks
   muxConnectionType_e dataPortChannel = MUX_UBLOX_NMEA; //Mux default to ublox UART1
-  uint16_t spiFrequency = 8; //By default, use 8MHz SPI
+  uint16_t spiFrequency = 16; //By default, use 16MHz SPI
   bool enableLogging = true; //If an SD card is present, log default sentences
   uint16_t sppRxQueueSize = 2048;
   uint16_t sppTxQueueSize = 512;