mmc: sdhci-cadence: Fix an error handling path in sdhci_cdns_probe()

mmc: sdhci-cadence: Fix an error handling path in sdhci_cdns_probe()

If devm_reset_control_get_optional_exclusive() fails, some resources still
need to be released. So branch to the error handling path instead of
returning directly.

Fixes: aad53d4ee756 ("mmc: sdhci-cadence: Support mmc hardware reset")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Brad Larson <blarson@amd.com>
Link: https://lore.kernel.org/r/f61599a9ef23767c2d66e5af9c975f05ef1cec6b.1682430069.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>