arm64: zynqmp: Describe bus-width for SD card on KV260

SD card is connected with 4 data lines which should be described properly.

Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/065cb9f1c6706eb4d70066e25cfc30d17b9f875d.1695378830.git.michal.simek@amd.com
2 files changed