Add zbb rotation, or combine, byte reverse

[tandr3w]

#179
Implements rol, ror, rori, orc.b, rev8

[github-actions]

🔧 DE1-SoC Synthesis Report Summary Diff

• RV32I

  1. Fitter Summary

     @@ -1,4 +1,4 @@
     -Fitter Status : Successful - Wed May  6 22:48:02 2026
     +Fitter Status : Successful - Mon May 11 23:30:54 2026
      Quartus Prime Version : 25.1std.0 Build 1129 10/21/2025 SC Lite Edition
      Revision Name : utoss-risc-v
      Top-level Entity Name : top

  2. Fitter by entity
     No changes detected

  3. Timing
     No changes detected

• RV32IB

  1. Fitter Summary

     @@ -1,4 +1,4 @@
     -Fitter Status : Successful - Wed May  6 22:48:41 2026
     +Fitter Status : Successful - Mon May 11 23:30:23 2026
      Quartus Prime Version : 25.1std.0 Build 1129 10/21/2025 SC Lite Edition
      Revision Name : utoss-risc-v
      Top-level Entity Name : top

  2. Fitter by entity
     No changes detected

  3. Timing
     No changes detected

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Comparing synthesis results from main branch vs. this PR