J. Nick Koston c155f41110 [esp32] Inline millis() in hal.h, drop IRAM_ATTR
Move millis() to an inline function in hal.h that just returns
xTaskGetTickCount() -- eliminates the function call entirely at every
call site. No IRAM consumed, no flash function call.

Drop IRAM_ATTR from the fallback path. The original IRAM placement was
inherited from ESP8266 where Arduino millis() is called from ISR
handlers (Wiegand, ZyAura). ESPHome does not call millis() from ISR
on ESP32.
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S
Description
ESPHome is a system to control your ESP8266/ESP32 by simple yet powerful configuration files and control them remotely through Home Automation systems.
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