ext/hal/nxp/imx: Add all UARTs clock frequency information

	uint32_t pre, post;

	switch ((uint32_t)base) {

	case UART1_BASE:

		root = CCM_GetRootMux(CCM, ccmRootUart1);

		CCM_GetRootDivider(CCM, ccmRootUart1, &pre, &post);

		break;

	case UART2_BASE:

		root = CCM_GetRootMux(CCM, ccmRootUart2);

		CCM_GetRootDivider(CCM, ccmRootUart2, &pre, &post);

		break;

	case UART3_BASE:

		root = CCM_GetRootMux(CCM, ccmRootUart3);

		CCM_GetRootDivider(CCM, ccmRootUart3, &pre, &post);

		break;

	case UART4_BASE:

		root = CCM_GetRootMux(CCM, ccmRootUart4);

		CCM_GetRootDivider(CCM, ccmRootUart4, &pre, &post);

		break;

	case UART5_BASE:

		root = CCM_GetRootMux(CCM, ccmRootUart5);

		CCM_GetRootDivider(CCM, ccmRootUart5, &pre, &post);

		break;

	case UART6_BASE:

		root = CCM_GetRootMux(CCM, ccmRootUart6);

		CCM_GetRootDivider(CCM, ccmRootUart6, &pre, &post);

		break;

	case UART7_BASE:

		root = CCM_GetRootMux(CCM, ccmRootUart7);

		CCM_GetRootDivider(CCM, ccmRootUart7, &pre, &post);

		break;

	default:

		return 0;

	}