Request for reviews (M): 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp

[Christian Thalinger]

http://cr.openjdk.java.net/~twisti/6677625/

6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
Reviewed-by:
Contributed-by: Tao Mao <tao.mao at oracle.com>

Add new definition RUNTIME_PD_FLAGS and move platform specific flags from 
globals.hpp to globals_<arch>.hpp.

src/cpu/sparc/vm/globals_sparc.cpp
src/cpu/sparc/vm/globals_sparc.hpp
src/cpu/x86/vm/globals_x86.cpp
src/cpu/x86/vm/globals_x86.hpp
src/cpu/zero/vm/globals_zero.cpp
src/cpu/zero/vm/globals_zero.hpp
src/share/vm/c1/c1_globals.hpp
src/share/vm/opto/c2_globals.cpp
src/share/vm/opto/c2_globals.hpp
src/share/vm/opto/runtime.cpp
src/share/vm/runtime/globals.cpp
src/share/vm/runtime/globals_extension.hpp
src/share/vm/runtime/globals.hpp
src/share/vm/utilities/macros.hpp