arch/xtensa: Fix a build issue.
arch/xtensa: Fix a build issue.

	Fix a build issue, when CONFIG_ESP32_I2C0_SDA_PIN is not defined.

pillip8282/TizenRT,jeongchanKim/TizenRT,junmin-kim/TizenRT,chanijjani/TizenRT,sunghan-chang/TizenRT,Samsung/TizenRT,junmin-kim/TizenRT,pillip8282/TizenRT,pillip8282/TizenRT,an4967/TizenRT,Samsung/TizenRT,sunghan-chang/TizenRT,pillip8282/TizenRT,jeongchanKim/TizenRT,jeongarmy/TizenRT,davidfather/TizenRT,jeongchanKim/TizenRT,an4967/TizenRT,davidfather/TizenRT,Samsung/TizenRT,davidfather/TizenRT,an4967/TizenRT,chanijjani/TizenRT,pillip8282/TizenRT,an4967/TizenRT,Samsung/TizenRT,davidfather/TizenRT,jsdosa/TizenRT,Samsung/TizenRT,jsdosa/TizenRT,jsdosa/TizenRT,davidfather/TizenRT,chanijjani/TizenRT,junmin-kim/TizenRT,sunghan-chang/TizenRT,jeongarmy/TizenRT,Samsung/TizenRT,jeongarmy/TizenRT,junmin-kim/TizenRT,jsdosa/TizenRT,an4967/TizenRT,jeongarmy/TizenRT,jeongarmy/TizenRT,chanijjani/TizenRT,davidfather/TizenRT,jsdosa/TizenRT,sunghan-chang/TizenRT,chanijjani/TizenRT,sunghan-chang/TizenRT,jsdosa/TizenRT,junmin-kim/TizenRT,jeongarmy/TizenRT,pillip8282/TizenRT,sunghan-chang/TizenRT,davidfather/TizenRT,chanijjani/TizenRT,jeongchanKim/TizenRT,jeongchanKim/TizenRT,jeongarmy/TizenRT,chanijjani/TizenRT,junmin-kim/TizenRT,Samsung/TizenRT,pillip8282/TizenRT,jsdosa/TizenRT,jeongchanKim/TizenRT,an4967/TizenRT,jeongchanKim/TizenRT,sunghan-chang/TizenRT,junmin-kim/TizenRT,an4967/TizenRT