added missing empty implementation

CHANGELOG.md

@@ -38,6 +38,11 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
   inside `fsfw/version.h`
   PR: https://egit.irs.uni-stuttgart.de/fsfw/fsfw/pulls/559
 
+## Fixed
+
+- Small bugfix in STM32 HAL for SPI
+  PR: 
+
 # [v4.0.0]
 
 ## Additions

hal/src/fsfw_hal/stm32h7/spi/mspInit.h

@@ -21,7 +21,7 @@ using mspCb = void (*)(void);
 namespace spi {
 
 struct MspCfgBase {
-  MspCfgBase();
+  MspCfgBase() {}
   MspCfgBase(stm32h7::GpioCfg sck, stm32h7::GpioCfg mosi, stm32h7::GpioCfg miso,
              mspCb cleanupCb = nullptr, mspCb setupCb = nullptr)
       : sck(sck), mosi(mosi), miso(miso), cleanupCb(cleanupCb), setupCb(setupCb) {}