Merge branch 'feature/boot_close_irq_with_level_3' into 'master'

feat(bootloader): Boot close IRQ with level 3

See merge request sdk/ESP8266_RTOS_SDK!1655

Author: donghengqaz

components/esp8266/include/driver/soc.h

@@ -31,7 +31,11 @@ static inline esp_irqflag_t soc_save_local_irq(void)
     esp_irqflag_t flag;
 
     __asm__ __volatile__(
+#ifdef BOOTLOADER_BUILD
+            "rsil   %0, 3\n"
+#else
             "rsil   %0, 1\n"
+#endif
             : "=a"(flag)
             :
             : "memory"