feat(phy): update phy library to 1151.0

1. rename function from "rtc_init_2" to be "rtc_init_clk"
2. reduce time cost of openning RF
3. locate "phy_close_rf" and "i2c" from flash to IRAM

components/esp8266/include/driver/rtc.h

@@ -48,7 +48,7 @@ void phy_close_rf(void);
 /**
  * @brief Initialize RTC hardware
  */
-void rtc_init_2(uint8_t *init_param);
+void rtc_init_clk(uint8_t *init_param);
 
 /**
  * @brief Initialize light sleep hardware