v0.1.0-gfx1150-afiro: first working ROCm/HIP port

First working ROCm/HIP port of cuPDLP-C for AMD Radeon 890M / gfx1150.

Verified:

• Builds with ROCm 7.2.1
• Links libamdhip64, hipBLAS, hipSPARSE, rocBLAS, rocSPARSE
• Runs example/afiro.mps successfully
• terminationCode: OPTIMAL
• nIter: 199

Known limitations:

• Experimental port
• Some internal CUDA-style names remain
• Only afiro.mps has been validated so far