Bump rocket-chip (#2353)

misc: update PCL information (#899)

XiangShan is jointly released by ICT and PCL.

Add MulanPSL-2.0 License (#824)

In this commit, we add License for XiangShan project.

LogUtils: remove trait 'HasXSLog' (#732)

Use DontCare to remove L2 inner A channel's data field.
This effectly reduces the number of bus data wires from 256 * 3 to 256 * 2.

Use DataDontCareNode to add DontCare to the tilelink nodes you are

Use DontCare to remove L2 inner A channel's data field.
This effectly reduces the number of bus data wires from 256 * 3 to 256 * 2.

Use DataDontCareNode to add DontCare to the tilelink nodes you are
interested in.

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