small fixes, now compiling

linux/CMakeLists.txt

@@ -1,3 +1,8 @@
 if(TGT_BSP MATCHES "arm/raspberrypi")
     add_subdirectory(rpi)
 endif()
+
+target_sources(${LIB_FSFW_HAL_NAME} PRIVATE
+    GpioCookie.cpp
+    LinuxLibgpioIF.cpp
+)

linux/LinuxLibgpioIF.h

@@ -1,8 +1,8 @@
 #ifndef LINUX_GPIO_LINUXLIBGPIOIF_H_
 #define LINUX_GPIO_LINUXLIBGPIOIF_H_
 
-#include <linux/gpio/GpioIF.h>
-#include <fsfwconfig/returnvalues/classIds.h>
+#include "GpioIF.h"
+#include <returnvalues/classIds.h>
 #include <fsfw/objectmanager/SystemObject.h>
 
 class GpioCookie;