Forward mx verbose mode to jmh

--HG--
extra : rebase_source : 270a532b602ccfabc9bf764f2b50099edc8992fb
Graal HotSpot CodeInstaller: remove access to unused Mark::references

--HG--
extra : histedit_source : 0249b8877ea83b3350b81f914c8e35e4afb8e695
SharedRuntime: add gen_i2c_adapter, implement it with pre-existing methods in each architecture.

--HG--
extra : histedit_source : bb3ada5bef11f43bcc07b9acf3943248f8167d1a
made com.oracle.graal.asm.Buffer non-public and a private field in AbstractAssembler
renamed com.oracle.graal.asm.AbstractAssembler to com.oracle.graal.asm.Assembler

--HG--
rename : graal/com.oracle.graal.asm/src/com/oracle/graal/asm/AbstractAssembler.java => graal/com.oracle.graal.asm/src/com/oracle/graal/asm/Assembler.java
refactored com.oracle.graal.hotspot.meta.HotSpotLoweringProvider.lower(Node, LoweringTool) into smaller methods
fixed formatting after renaming
removed unused import