update build instructions with theRock rocm installation and release link

Signed-off-by: Hao Li <[email protected]>

Author: lihaofd

docs/build.md

@@ -294,21 +294,21 @@ You can download it from your Linux distro's package manager or from here: [ROCm
   cmake -S . -B build -G Ninja -DGPU_TARGETS=gfx1100 -DGGML_HIP=ON -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_BUILD_TYPE=Release
   cmake --build build
   ```
-  Since TheRock (The HIP Environment and ROCm Kit) has been released on https://github.com/ROCm/TheRock/, which is a lightweight open source build platform for HIP and ROCm.
-  There is nightly build from https://therock-nightly-tarball.s3.amazonaws.com/, like therock-dist-windows-gfx1151-7.10.0a20251031.tar.gz for AMD Ryzen AI MAX CPU. 
-  Below is step for building with TheRock HIP backend for Windows. Download therock-dist-windows-gfx1151-xxx.tar.gz and uncompress it to C:\work\therock\. 
-  Also Set RC COMPILER with https://developer.microsoft.com/en-us/windows/downloads/windows-sdk/ installation
+  TheRock (The HIP Environment and ROCm Kit) has been released on https://github.com/ROCm/TheRock/, which is a lightweight open source build platform for HIP and ROCm.
+  Below is step for building llama.cpp for HIP backend for Windows. 
+  Download from https://github.com/ROCm/TheRock/releases and uncompress it to %HIP_PATH%. 
+  Also Set RC COMPILER with https://developer.microsoft.com/en-us/windows/downloads/windows-sdk/ installation, like C:/Program Files (x86)/Windows Kits/10/bin/10.0.26100.0/x64/rc.exe
+  Assuming a gfx1151-compatible AMD GPU from https://github.com/ROCm/TheRock/blob/main/RELEASES.md
 
   ```bash
-  set HIP_PATH=C:\work\therock
   set HIP_PATH_70=%HIP_PATH%
   set LLVM_PATH=%HIP_PATH%
   set HIP_PLATFORM=amd
   set CMAKE_C_COMPILER=%HIP_PATH%\lib\llvm\bin\amdclang.exe
   set CMAKE_CXX_COMPILER=%HIP_PATH%\lib\llvm\bin\amdclang++.exe
   set CMAKE_RC_COMPILER="C:/Program Files (x86)/Windows Kits/10/bin/10.0.26100.0/x64/rc.exe"
   set PATH=%HIP_PATH%\bin;%PATH%
-  cmake -S . -B build -G Ninja -DGPU_TARGETS=gfx1151 -DGGML_HIP=ON -DCMAKE_C_COMPILER=%CMAKE_C_COMPILER% -DCMAKE_CXX_COMPILER=%CMAKE_CXX_COMPILER% -DCMAKE_BUILD_TYPE=Release -DLLAMA_CURL=OFF  -DCMAKE_RC_COMPILER=%CMAKE_RC_COMPILER%
+  cmake -S . -B build -G Ninja -DGPU_TARGETS=gfx1151 -DGGML_HIP=ON -DCMAKE_C_COMPILER=%CMAKE_C_COMPILER% -DCMAKE_CXX_COMPILER=%CMAKE_CXX_COMPILER% -DCMAKE_BUILD_TYPE=Release  -DCMAKE_RC_COMPILER=%CMAKE_RC_COMPILER%
   cmake --build build
   ```