fix(pycardium): It's a MAX32666, not a max32666

pycardium/mpconfigport.h

 /* Hardware Name */
 #define MICROPY_HW_BOARD_NAME "card10"
-#define MICROPY_HW_MCU_NAME "max32666"
+#define MICROPY_HW_MCU_NAME "MAX32666"
 
 /* MicroPython Config Options */
 #define MICROPY_PY_MICROPYTHON_MEM_INFO     (1)