gps now over spi

doc/Notes and TODOs/SPIpushRawData.txt

@@ -0,0 +1,9 @@
+Added this code in SparkFun_u-blox_GNSS_Arduino_Libary.cpp in the function pushRawData.
+
+_spiPort->beginTransaction(SPISettings(_spiSpeed, MSBFIRST, SPI_MODE0));
+digitalWrite(_csPin, LOW);
+for (uint16_t i = 0; i < numDataBytes; i++) {
+    spiTransfer(dataBytes[i]);
+}
+digitalWrite(_csPin, HIGH);
+_spiPort->endTransaction();