rv1126_rv1109: add cross compile tool chain readme

Signed-off-by: Weiwen Chen <cww@rock-chips.com>
Change-Id: I977a00c34854a9cdec5760591a2169c42ee24c1d
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Weiwen Chen
2021-05-25 10:28:42 +08:00
parent 95d7e1b708
commit 5f61f4809f

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### 交叉工具链说明
SDK需要用到2个交叉工具链如下
| 目录(prebuilts/gcc/linux-x86/arm) | 说明 |
| :---- | ------ |
| gcc-arm-8.3-2019.03-x86_64-arm-linux-gnueabihf | 用于文件系统和上层应用编译 |
| gcc-linaro-6.3.1-2017.05-x86_64_arm-linux-gnueabihf | 用于U-Boot和Linux内核编译 |