Release notes to 7.5 note that BMC 5880 smart card readers with updated firmware are now supported. The Dell page about this issue from last year:

https://www.dell.com/support/article/us/en/04/sln79658/red-hat-enterprise-linux-rhel-does-not-support-drivers-for-the-broadcom-unified-security-hub-ush-?lang=en

mentioned that the fix was intended to be backported to previous versions. Any indication of whether that still is going to happen?