zynq_sdhci.c: Fix warning in arasan_sdhci_probe

We no longer need to set 'caps' as it's not passed to sdhci_setup_cfg
anymore.

Fixes: 14bed52d276a ("mmc: sdhci: remove the unnecessary arguments for
		sdhci_setup_cfg")
Signed-off-by: Tom Rini <trini@konsulko.com>
1 file changed