sim: make some rules silent by default in Make-common.in Use GDB's silent-rules.mk to make some rules silent by default. These rules cover most of what is built in sim/. gdb/ChangeLog: * silent-rules.mk (ECHO_CCLD, ECHO_AR, ECHO_RANLIB): New. sim/ChangeLog: * common/Make-common.in (COMPILE, libsim.a, run$(EXEEXT), gentmap.o, gentmap): Make rules silent. Change-Id: Idf9ba5beaee10c7c614859ace5fbdcd1de0287db