After previous commit, add -fvisibility=hidden, we don't need worry about depended libxx.so callback to nuttx symbol in SIM. So most of the symbol in nuttx-names.in can be remove. But we still need some symbol replacement for host code. Host code should call host API if access HOST sth, for example: open, close, accept, printf... Signed-off-by: ligd <liguiding1@xiaomi.com>