OMAP3+: voltage: move/rename curr_volt from vdd_info into struct voltagedomain

Track current nominal voltage as part of struct voltagedomain instead
of omap_vdd_info, which will soon be removed.

Also renames field from curr_volt to nominal_volt.

No functional changes.

Signed-off-by: Kevin Hilman <khilman@ti.com>
diff --git a/arch/arm/mach-omap2/vc.c b/arch/arm/mach-omap2/vc.c
index f8bdd51..d9e6994 100644
--- a/arch/arm/mach-omap2/vc.c
+++ b/arch/arm/mach-omap2/vc.c
@@ -128,7 +128,7 @@
 	}
 
 	*target_vsel = voltdm->pmic->uv_to_vsel(target_volt);
-	*current_vsel = voltdm->pmic->uv_to_vsel(vdd->curr_volt);
+	*current_vsel = voltdm->pmic->uv_to_vsel(voltdm->nominal_volt);
 
 	/* Setting the ON voltage to the new target voltage */
 	vc_cmdval = voltdm->read(vc->cmdval_reg);
@@ -145,7 +145,6 @@
 			unsigned long target_volt,
 			u8 target_vsel, u8 current_vsel)
 {
-	struct omap_vdd_info *vdd = voltdm->vdd;
 	u32 smps_steps = 0, smps_delay = 0;
 
 	smps_steps = abs(target_vsel - current_vsel);
@@ -154,7 +153,7 @@
 			voltdm->pmic->slew_rate) + 2;
 	udelay(smps_delay);
 
-	vdd->curr_volt = target_volt;
+	voltdm->nominal_volt = target_volt;
 }
 
 /* vc_bypass_scale - VC bypass method of voltage scaling */