sdk更新_调gcc编译
Review Request #1578 — Created Sept. 12, 2020 and submitted
| Information | |
|---|---|
| taoqiwen | |
| Yc3121 | |
| Reviewers | |
| wangjingfan, wushengyan | |
1、makefile增加-ffunction-sections -fdata-sections
2、board_config.h在MPOS_BOARD_V2_1情况下增加#define BEEP_PWM
3、彩屏驱动增加板子兼容处理
4、调整usb库，兼容gcc和keil，优化语法错误
