sd: fix incorrect error logging

Fix logging `Could not disable card power via SDHC` when the attempted
operation is turning power on. Update several other logging strings to
minimise the number of unique strings required.

Signed-off-by: Jordan Yates <jordan@embeint.com>

subsys/sd/sd.c

@@ -135,13 +135,13 @@ static int sd_init_io(struct sd_card *card)
 	bus_io->timing = SDHC_TIMING_LEGACY;
 
 	if (host_props->host_caps.vol_330_support) {
-		LOG_DBG("Host controller support 3.3V max");
+		LOG_DBG("Host controller support %sV max", "3.3");
 		voltage = SD_VOL_3_3_V;
 	} else if (host_props->host_caps.vol_300_support) {
-		LOG_DBG("Host controller support 3.0V max");
+		LOG_DBG("Host controller support %sV max", "3.0");
 		voltage = SD_VOL_3_0_V;
 	} else {
-		LOG_DBG("Host controller support 1.8V max");
+		LOG_DBG("Host controller support %sV max", "1.8");
 		voltage = SD_VOL_1_8_V;
 	}
 
@@ -153,14 +153,14 @@ static int sd_init_io(struct sd_card *card)
 	bus_io->power_mode = SDHC_POWER_OFF;
 	ret = sdhc_set_io(card->sdhc, bus_io);
 	if (ret) {
-		LOG_ERR("Could not disable card power via SDHC");
+		LOG_ERR("Could not %s card power via SDHC", "disable");
 		return ret;
 	}
 	sd_delay(card->host_props.power_delay);
 	bus_io->power_mode = SDHC_POWER_ON;
 	ret = sdhc_set_io(card->sdhc, bus_io);
 	if (ret) {
-		LOG_ERR("Could not disable card power via SDHC");
+		LOG_ERR("Could not %s card power via SDHC", "enable");
 		return ret;
 	}
 	/* After reset or init, card voltage should be max HC support */