minitests/clb_bused/README.md

# CLB_BUSED Minitest

## Purpose
Tests for BUSED bit

## Result
However got this  
```
seg SEG_CLBLL_R_X13Y101
bit 30_24

seg SEG_CLBLL_R_X13Y100
bit 30_24
```
which seems to indicate there is no such bit, or it was rolled into PIP stuff already