[oe] Add sharprom-compatible as distro in bugtracker

[Nicolas FR]

Hi,

For a few days I have been posting bugs and recipes on bugtracker for
sharprom-compatible. I noticed I was not the only one, showing that a
few people are still interested in maintaining good support for this
distro.

Could it be possible to add it to the list of distros in the
bugtracker (in the listbox, when submitting a bug for openembedded)?
That would make easier to filter bugs to solve.

Nicolas.