"MAINTAINERS: add KEYS-TRUSTED-CAAM"

On Thu, Apr 28, 2022 at 04:01:45PM +0200, Ahmad Fatoum wrote:

Add myself as maintainer for the just added trusted key integration
with the NXP Cryptographic Acceleration and Assurance Module.

Please, remove "just added". Also what the heck is this integration
in this context? It's afaik a process and not any sort of asset.

Maybe rephrase the whole paragraph simply:

"Create a maintainer entry for CAAM trusted keys in the Linux keyring."

BR, Jarkko