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

components/esp8266/lib/VERSION

@@ -7,4 +7,4 @@ gwen:
     wps:        6a32b9b
 
     smartconfig:  2.8.2
-    phy:          1150.0
+    phy:          1151.0

components/esp8266/source/phy_init.c

@@ -107,7 +107,7 @@ esp_err_t esp_phy_rf_init(const esp_phy_init_data_t* init_data, esp_phy_calibrat
     uart_tx_wait_idle(1);
     uart_div_modify(1, UART_CLK_FREQ / uart_baudrate);
 
-    rtc_init_2(local_init_data);
+    rtc_init_clk(local_init_data);
 
     int ret = register_chipv6_phy(local_init_data);
     if (ret) {