mmc: arm_pl180_mmci: Remove cd_inverted host's struct field

As platform uses GPIOs for card detection, it's
simpler and more readable to use GPIO_ACTIVE_(LOW|HIGH)
in the gpio flags instead of using the cd-inverted
property.

Reported-by: Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
diff --git a/drivers/mmc/arm_pl180_mmci.c b/drivers/mmc/arm_pl180_mmci.c
index 1cd780b..f71d79e 100644
--- a/drivers/mmc/arm_pl180_mmci.c
+++ b/drivers/mmc/arm_pl180_mmci.c
@@ -499,11 +499,8 @@
 	struct pl180_mmc_host *host = dev->priv;
 	int value = 1;
 
-	if (dm_gpio_is_valid(&host->cd_gpio)) {
+	if (dm_gpio_is_valid(&host->cd_gpio))
 		value = dm_gpio_get_value(&host->cd_gpio);
-		if (host->cd_inverted)
-			return !value;
-	}
 
 	return value;
 }