dts: stm32: fix dts inclusion for stm32f405

stm32f405 is not an expansion of stm32f411, since stm32f411 has more
SPIs than stm32f405.
Fix this by including stm32f401.dtsi in stm32f405.dtsi
(instead of stm32f411.dtsi).

Signed-off-by: Daniel Wagenknecht <wagenknecht.daniel@gmail.com>
diff --git a/dts/arm/st/stm32f405.dtsi b/dts/arm/st/stm32f405.dtsi
index ae83a48..8215867 100644
--- a/dts/arm/st/stm32f405.dtsi
+++ b/dts/arm/st/stm32f405.dtsi
@@ -5,7 +5,7 @@
  */
 
 #include <st/stm32f405-pinctrl.dtsi>
-#include <st/stm32f411.dtsi>
+#include <st/stm32f401.dtsi>
 
 / {
 	ccm0: memory@10000000 {