added SUS component creation to RPi

bsp_q7s/callbacks/q7sGpioCallbacks.h

@@ -0,0 +1,15 @@
+#pragma once
+
+class GpioIF;
+
+namespace q7s {
+namespace gpioCallbacks {
+
+/**
+ * @brief   This function initializes the GPIOs used to control the SN74LVC138APWR decoders on
+ *          the TCS Board and the interface board.
+ */
+void initSpiCsDecoder(GpioIF* gpioComIF);
+
+}  // namespace gpioCallbacks
+}  // namespace q7s