cpu/stm32: add IWYU pragma to clk_conf.h

This reduces false positives for included but not directly used headers.

Author: maribu

cpu/stm32/include/clk/clk_conf.h

@@ -17,23 +17,23 @@
 
 #if defined(CPU_FAM_STM32F0) || defined(CPU_FAM_STM32F1) || \
     defined(CPU_FAM_STM32F3)
-#include "f0f1f3/cfg_clock_default.h"
+#include "f0f1f3/cfg_clock_default.h" /* IWYU pragma: export */
 #elif defined(CPU_FAM_STM32F2) || defined(CPU_FAM_STM32F4) || \
       defined(CPU_FAM_STM32F7)
-#include "f2f4f7/cfg_clock_default.h"
+#include "f2f4f7/cfg_clock_default.h" /* IWYU pragma: export */
 #elif defined(CPU_FAM_STM32G0) || defined(CPU_FAM_STM32G4)
-#include "g0g4/cfg_clock_default.h"
+#include "g0g4/cfg_clock_default.h" /* IWYU pragma: export */
 #elif defined(CPU_FAM_STM32C0)
-#include "c0/cfg_clock_default.h"
+#include "c0/cfg_clock_default.h" /* IWYU pragma: export */
 #elif defined(CPU_FAM_STM32L0) || defined(CPU_FAM_STM32L1)
-#include "l0l1/cfg_clock_default.h"
+#include "l0l1/cfg_clock_default.h" /* IWYU pragma: export */
 #elif defined(CPU_FAM_STM32L4) || defined(CPU_FAM_STM32L5) || \
       defined(CPU_FAM_STM32WB) || defined(CPU_FAM_STM32WL)
-#include "l4l5wx/cfg_clock_default.h"
+#include "l4l5wx/cfg_clock_default.h" /* IWYU pragma: export */
 #elif defined(CPU_FAM_STM32U5)
-#include "u5/cfg_clock_default.h"
+#include "u5/cfg_clock_default.h" /* IWYU pragma: export */
 #elif defined(CPU_FAM_STM32MP1)
-#include "mp1/cfg_clock_default.h"
+#include "mp1/cfg_clock_default.h" /* IWYU pragma: export */
 #else
 #error "No clock configuration available"
 #endif