In commit
8c8496435a9d ("build: add GNU install to prerequisites") new
dependency was added, but addition to README was omitted.
Fixes: 8c8496435a9d ("build: add GNU install to prerequisites")
Signed-off-by: Petr Štetiar <ynezz@true.cz>
documentation.
```
-gcc-6+ binutils bzip2 flex python3.6+ perl make4.1+ find grep diff unzip gawk getopt
-subversion libz-dev libc-dev rsync which
+binutils bzip2 diff find flex gawk gcc-6+ getopt grep install libc-dev libz-dev
+make4.1+ perl python3.6+ rsync subversion unzip which
```
### Quickstart