sdhci_xenon: add ACPI support
Add support for ACPI device probing for SDHCI controller found on Marvell chips.
Reviewed by: mw
Sponsored by: Semihalf
Differential revision: https://reviews.freebsd.org/D31600
(cherry picked from commit adbce5ff747b6372b6cda915d06fe52b4a67b4d8)