[nxp/mcxa156] Fix the low-frequency PWM output

bsp/nxp/mcx/mcxa/Libraries/drivers/drv_pwm.c

@@ -16,7 +16,7 @@
 
 #define BOARD_PWM_BASEADDR      (FLEXPWM0)
 #define PWM_SRC_CLK_FREQ        (CLOCK_GetFreq(kCLOCK_BusClk))
-#define FLEX_PWM_CLOCK_DEVIDER  (kPWM_Prescale_Divide_2)
+#define FLEX_PWM_CLOCK_DEVIDER  (kPWM_Prescale_Divide_32)
 #define FLEX_PWM_FAULT_LEVEL    true
 
 typedef struct