Move TinyGo device package from goplus/lib

[fennoai]

Requested by @luoliwoshang

Overview

This PR migrates the TinyGo v0.39.0 device package from goplus/lib/emb to the goplus/emb repository root, providing embedded development support for the LLGO compiler ecosystem.

Changes

Device Package Migration

• Source: embed: device package  lib#16
• Migrated Content: Complete device/ directory from goplus/lib/emb/
• Architecture Support: 17 directories covering ARM, ARM64, AVR, ESP, NRF, NXP, RP, SAM, STM32, Renesas, SiFive, Kendryte, RISC-V, GBA, TKey
• File Count: ~1000+ device definition files

Import Path Updates

All import paths have been updated from:

import "github.com/goplus/lib/emb/runtime/volatile"
import "github.com/goplus/lib/emb/device/stm32"

To:

import "github.com/goplus/emb/runtime/volatile"
import "github.com/goplus/emb/device/stm32"

• Updated Files: 573 device files with import path changes

LLGO Compatibility Features

• Inline assembly functions using //llgo:link directives
• Placeholder implementations for runtime/interrupt.callHandlers
• ARM system call (SVCall) placeholders
• RISC-V CSR operation placeholders
• Support for embedded architectures

Related Issues

• Closes move tinygo compatibility code #7
• Based on embed: device package  lib#16

Supported Architectures

ARM Cortex-M, ARM64, AVR, ESP32/ESP8266, Nordic nRF, NXP (i.MX RT, Kinetis, LPC), Raspberry Pi RP2040/RP2350, Microchip SAM, STM32, Renesas RA, SiFive, Kendryte K210, RISC-V, Game Boy Advance, TKey