boards: st: nucleo_n657x0_q: Fix full_name.

Fix yaml full_name to match ST official reference.

Signed-off-by: Erwan Gouriou <[email protected]>

Author: erwango

boards/st/nucleo_n657x0_q/board.yml

@@ -1,6 +1,6 @@
 board:
   name: nucleo_n657x0_q
-  full_name: Nucleo N657x0-Q
+  full_name: Nucleo N657X0-Q
   vendor: st
   socs:
     - name: stm32n657xx