README.md

## Steps to getting the GAP SDK run on Linux

In general, follow this README: https://github.com/GreenWaves-Technologies/gap_sdk/blob/master/README.md

PLUS

### Fix the -Werror flag to make openocd compile

Comment this line in gap_sdk/tools/gap8-openocd

`GCC_WARNINGS="${GCC_WARNINGS} -Werror"`

### Fix libmpfr version error
`sudo ln -s /usr/lib/libmpfr.so.6 /usr/lib/libmpfr.so.4`