docs(contest2026): add SpacemiT K1 MUSE Pi Pro to pending-port boards

[tanghao-xiaomi]

What

Add a new entry (No. 7) SpacemiT K1 MUSE Pi Pro under the "II. Boards Pending Porting" section of Supported Hardware Platforms.

Details

• Chip vendor: SpacemiT
• Board: K1 MUSE Pi Pro
• Chip highlights: SpacemiT K1 (M1 module) octa-core RISC-V X60 + 2.0 TOPS AI compute + 8GB DDR; onboard WiFi6 & Bluetooth 5.2, 40-pin GPIO, MIPI/HDMI display; fully open-source hardware & software
• Use cases: edge intelligent hardware, multimodal sensing, LLM applications, robotics, industrial automation, AI education & research, IoT
• Porting guide: links to the board-level README in vendor_SpacemiT (boards/k1/muse_pi_pro/README_zh-cn.md)
• Upstream target repo (PR after winning): vendor_SpacemiT (dev-ai-contest-2026 branch)

Notes

• Hardware specs follow the authoritative description in the vendor_SpacemiT repo README (octa-core X60 + 2.0 TOPS).
• Added the board image images/spacemit_k1_musepi_pro.png.

Changes

• 2 files changed, 10 insertions(+)
• Sources: the "Boards Pending Porting" table in the Feishu contest official doc + the official vendor_SpacemiT README