palmas: Add support for powering different ldos

It is not necessary that ldo1 is used to power on mmc.
So, add support for passing ldo registers for powering on mmc.

Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
diff --git a/board/ti/dra7xx/evm.c b/board/ti/dra7xx/evm.c
index 6767fd2..1c0a1eb 100644
--- a/board/ti/dra7xx/evm.c
+++ b/board/ti/dra7xx/evm.c
@@ -720,7 +720,7 @@
 			voltage = 0xa;
 		lp873x_mmc1_poweron_ldo(voltage);
 	} else {
-		palmas_mmc1_poweron_ldo(voltage);
+		palmas_mmc1_poweron_ldo(LDO1_VOLTAGE, LDO1_CTRL, voltage);
 	}
 }
 #endif