* [bsp][lpc55sxx] add support of LPC5528/LPC55S28 1. add .ignore_format 2. add support of LPC55S28 3. fix LPC55S69 keil comiple error 3. refine README * [bsp][lpc55sxx] 1. remove cmake file 2. formating code using rt-thread formating tools 3. CMSIS folder -> ../ * [bsp][lpc55s69] - add IAR support(IAR version: 9.30.1)
update NXP SDK to 2_12_0