try to fix submodule

firmware/lib/Arduino-FOC-drivers/src/encoders/mt6701/MagneticSensorMT6701SSI.h

@@ -0,0 +1,43 @@
+#ifndef __MAGNETIC_SENSOR_MT6701_SSI_H__
+#define __MAGNETIC_SENSOR_MT6701_SSI_H__
+
+#include "Arduino.h"
+#include "SPI.h"
+#include "common/base_classes/Sensor.h"
+
+
+#define MT6701_CPR 16384.0f
+
+#define MT6701_BITORDER MSBFIRST
+
+#if defined(TARGET_RP2040)||defined(ESP_H)||defined(CORE_TEENSY)
+#define MT6701_DATA_POS 1
+#else
+#define MT6701_DATA_POS 2
+#endif
+
+// Use SPI mode 2, capture on falling edge. First bit is not valid data, so have to read 25 bits to get a full SSI frame.
+// SSI frame is 1 bit ignore, 14 bits angle, 4 bit status and 6 bit CRC.
+static SPISettings MT6701SSISettings(1000000, MT6701_BITORDER, SPI_MODE2); // @suppress("Invalid arguments")
+
+
+
+class MagneticSensorMT6701SSI : public Sensor {
+public:
+    MagneticSensorMT6701SSI(int nCS = -1, SPISettings settings = MT6701SSISettings);
+    virtual ~MagneticSensorMT6701SSI();
+
+    virtual void init(SPIClass* _spi = &SPI);
+
+    float getSensorAngle() override; // angle in radians, return current value
+
+protected:
+    uint16_t readRawAngleSSI();
+
+    SPISettings settings;
+    SPIClass* spi;
+	int nCS = -1;
+};
+
+
+#endif