track down other ldos a SY8021L and also a LDO AP1231. create kicad parts, add them. make separate sheet for them. http://www.chipown.com.cn/pro/AP1231.pdf and it's a SOT-25 (SOT-23-5L) SY8021L isn't clear, datasheet not yet located, this part TD6821 is equivalent http://www.techcodesemi.com/products_info.asp?pid=50