boards/nucleo-f446ze: rename to standard st name

boards/nucleo144-f446/Makefile.include → boards/nucleo-f446ze/Makefile.include

-# define the cpu used by the nucleo144-f446 board
+# define the cpu used by the nucleo-f446ze board
 export CPU = stm32f4
 export CPU_MODEL = stm32f446ze
 

boards/nucleo144-f446/include/periph_conf.h → boards/nucleo-f446ze/include/periph_conf.h

@@ -7,13 +7,13 @@
  */
 
 /**
- * @defgroup    boards_nucleo144-f446 STM32 Nucleo144-F446
+ * @defgroup    boards_nucleo-f446ze STM32 Nucleo-F446ZE
  * @ingroup     boards_common_nucleo144
- * @brief       Support for the STM32 Nucleo144-F446
+ * @brief       Support for the STM32 Nucleo-F446ZE
  * @{
  *
  * @file
- * @name        Peripheral MCU configuration for the nucleo144-f446 board
+ * @name        Peripheral MCU configuration for the nucleo-f446ze board
  *
  * @author      Alexandre Abadie <alexandre.abadie@inria.fr>
  */