TARGET_GLOBAL_CLANG_FLAGS now filters TARGET_GLOBAL_CPPFLAGS,
& added -fforce-mem & -fforce-addr to CLANG_CONFIG_UNKNOWN_CFLAGS

Change-Id: I38ae521882537df4cc4627fe1ca7145e7dc9a31b
MY GOTO & LDFLAGS

Change-Id: I3ed147f180267db975ee556a4730c2c1dad2d554