boards: google: dragonclaw: Fix SoC model

Google Dragonclaw board uses STM32F412CGU6 MCU, so fix include in DTS
and board.yml

Signed-off-by: Patryk Duda <patrykd@google.com>
diff --git a/boards/google/dragonclaw/board.yml b/boards/google/dragonclaw/board.yml
index 28e8b84..18e233f 100644
--- a/boards/google/dragonclaw/board.yml
+++ b/boards/google/dragonclaw/board.yml
@@ -2,4 +2,4 @@
   name: google_dragonclaw
   vendor: google
   socs:
-    - name: stm32f412zx
+    - name: stm32f412cx
diff --git a/boards/google/dragonclaw/google_dragonclaw.dts b/boards/google/dragonclaw/google_dragonclaw.dts
index 579adf4..a0f7932 100644
--- a/boards/google/dragonclaw/google_dragonclaw.dts
+++ b/boards/google/dragonclaw/google_dragonclaw.dts
@@ -7,7 +7,7 @@
 /dts-v1/;
 
 #include <st/f4/stm32f412Xg.dtsi>
-#include <st/f4/stm32f412z(e-g)tx-pinctrl.dtsi>
+#include <st/f4/stm32f412c(e-g)ux-pinctrl.dtsi>
 
 / {
 	model = "Google Dragonclaw development board";