Devel rogue for merge

Zijun Xurequested to merge
devel_rogue_for_merge into devel

Three updates:

  1. README file update for RCE Guide
  2. libRogue update to support new HW/FW
  3. add isCmdEmpty() into libRd53a/Rd53a.cpp Rd53a::configureInit()
Edited by Zijun Xu

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