[syslinux] 6.03-pre6 minor building suggestions

[Ady]

> In Syslinux 6.03-pre6:
> 
> _ The txt/html/*.html files are currently created 3 times, one for 
> each firmware. I think they should be created only once (under the 
> main txt/html/ directory), just as the rest of the documentation is. 
> In that case, the <respective_firmware>/txt/html/ subdirectories 
> should not even be created.
> 
> _ The bios/dosutil/ directory contains copybs.com and eltorito.sys, 
> while the efi32/ and efi64/ don't, which is expected. OTOH, 
> mdiskchk.com is being created under the main dosutil/ directory. I 
> think that 'mdiskchk.com' should be created under the bios/dosutil/ 
> subdirectory, just as copybs.com and eltorito.sys are. I am unsure 
> whether 'dosutil/README' and 'dosutil/eltorito.txt' should be also 
> copied to 'bios/dosutil/' when building.
 
I am adding one more:

_ If I am not mistaken, bios/memdump/memdump.com is a comboot16 
module(?). If this module is still relevant in 6.xx (which I don't 
really know), I wonder whether perhaps there should be a better 
location to the /memdump/ (sources of memdump.com) directory.

TIA,
Ady.