mmc: core: Let mmc_set_signal_voltage take ocr as parameter

This is yet another step of restructure code to be able to fixup the
setup of the negotiated ocr mask.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
index af55e9e..5818887 100644
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -773,7 +773,8 @@
 	 */
 	if (!mmc_host_is_spi(host) && rocr &&
 	   ((*rocr & 0x41000000) == 0x41000000)) {
-		err = mmc_set_signal_voltage(host, MMC_SIGNAL_VOLTAGE_180);
+		err = mmc_set_signal_voltage(host, MMC_SIGNAL_VOLTAGE_180,
+					host->ocr);
 		if (err == -EAGAIN) {
 			retries--;
 			goto try_again;