clua: add some new features.

N/A

1. add a callback function "clua_callback" which used to parse a lua file or lua table.
2. add "clua_get_table_field" which acquire to the member of a table.
3. add "clua_parse_table" which used to parse all of member of a table.

Change-Id: I9f84d1c55690f98072c6ce5efba00f975ddc12db
Signed-off-by: liminghao <liminghao@xiaomi.com>