sdhci_fsl_fdt.c: Add support for LS1028a.

Add data specific for SoC, including all necessary quirks.

Submitted by: Lukasz Hajec <lha@semihalf.com>
Reviewed by: manu
Obtained from: Semihalf
Sponsored by: Alstom Group
Differential Revision: https://reviews.freebsd.org/D30121