patches: Setting a fixed clock source for esp32-p4.

Signed-off-by: lbuque <1102390310@qq.com>

Author: lbuque

m5stack/patches/0011-micropython-1.25.0-fix-esp32-p4-pwm.patch

@@ -14,3 +14,13 @@ Index: micropython/ports/esp32/machine_pwm.c
  } else {
  #if LEDC_SPEED_MODE_MAX > 1
  #if CONFIG_IDF_TARGET_ESP32
+@@ -232,6 +236,9 @@ static void set_freq(machine_pwm_obj_t *
+ #else
+ #error No supported PWM / LEDC clocks.
+ #endif
++#if CONFIG_IDF_TARGET_ESP32P4
++ timer->clk_cfg = LEDC_USE_XTAL_CLK;
++#endif
+ #if SOC_LEDC_SUPPORT_REF_TICK
+ if (freq < EMPIRIC_FREQ) {
+ timer->clk_cfg = LEDC_USE_REF_TICK;