Rework OMRLinkage base class

Question

• Move CodeGenerator object into base of OMRLinkage
• Consolidate Linkage convenience functions
• Make use of Linkage convenience functions
• Remove concrete CodeGenerator dependence from x86 Linkage base header

Signed-off-by: Daryl Maier

该提问来源于开源项目：eclipse/omr

Answer 1

-omr build all