Please accept all of our apologies for the way this was handled.  A
summary of the legal advice the kernel is operating under is

   If your company is on the U.S. OFAC SDN lists, subject to an OFAC
   sanctions program, or owned/controlled by a company on the list, our
   ability to collaborate with you will be subject to restrictions, and
   you cannot be in the MAINTAINERS file.

Anyone who wishes to can query the list here:

https://sanctionssearch.ofac.treas.gov/

In your specific case, the problem is your employer is on that list. 
If there's been a mistake and your employer isn't on the list, that's
the documentation Greg is looking for.

I would also like to thank you for all your past contributions and if
you (or anyone else) would like an entry in the credit file, I'm happy
to shepherd it for you if you send me what you'd like.

Again, we're really sorry it's come to this, but all of the Linux
infrastructure and a lot of its maintainers are in the US and we can't
ignore the requirements of US law.  We are hoping that this action
alone will be sufficient to satisfy the US Treasury department in
charge of sanctions and we won't also have to remove any existing
patches.

Regards,

James Bottomley
https://lore.kernel.org/all/e7d548a7fc835f9f3c9cb2e5ed97dfdfa164813f.camel@HansenPartnership.com/