docs: add TPUv7x Ironwood Ghostfish as Coming Soon SKU [skip-sweep] (#2277)

Add TPUv7x Ironwood Ghostfish to the supported-hardware table in
README.md and README_zh.md, between H100 and MI455 UALoE72.

中文：在 README.md 与 README_zh.md 的硬件支持表中新增
TPUv7x Ironwood Ghostfish（Coming Soon），位于 H100 与
MI455 UALoE72 之间。

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>

Author: functionstackx

README.md

@@ -59,6 +59,7 @@ This pace of software advancement creates a challenge: benchmarks conducted at a
 | MI300X | ✅ |
 | H200 | ✅ |
 | H100 | ✅ |
+| TPUv7x Ironwood Ghostfish | Coming Soon 🔜 |
 | MI455 UALoE72 | Coming Soon 🔜 |
 | Vera Rubin NVL72 | Coming Soon 🔜 |
 | Rubin NVL8 | Coming Soon 🔜 |

README_zh.md

@@ -59,6 +59,7 @@ SGLang、vLLM、TensorRT-LLM、CUDA、ROCm 等 AI 软件通过核函式優化、
 | MI300X | ✅ |
 | H200 | ✅ |
 | H100 | ✅ |
+| TPUv7x Ironwood Ghostfish | Coming Soon 🔜 |
 | MI455 UALoE72 | Coming Soon 🔜 |
 | Vera Rubin NVL72 | Coming Soon 🔜 |
 | Rubin NVL8 | Coming Soon 🔜 |