ARM: AM33xx: Remove the unused voltagedomain data

Now that there is a way to tell the powerdomain core about
missing voltage domain auto-scaling control in SoCs', get rid of the dummy
voltage domain data populated for AM33xx devices.

Acked-by: Nishanth Menon <nm@ti.com>
Acked-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Afzal Mohammed <afzal@ti.com> # am335x evm
Signed-off-by: Kevin Hilman <khilman@linaro.org>

arch/arm/mach-omap2/prm33xx.c

@@ -320,6 +320,12 @@ static int am33xx_pwrdm_wait_transition(struct powerdomain *pwrdm)
 	return 0;
 }
 
+static int am33xx_check_vcvp(void)
+{
+	/* No VC/VP on am33xx devices */
+	return 0;
+}
+
 struct pwrdm_ops am33xx_pwrdm_operations = {
 	.pwrdm_set_next_pwrst		= am33xx_pwrdm_set_next_pwrst,
 	.pwrdm_read_next_pwrst		= am33xx_pwrdm_read_next_pwrst,
@@ -335,4 +341,5 @@ struct pwrdm_ops am33xx_pwrdm_operations = {
 	.pwrdm_set_mem_onst		= am33xx_pwrdm_set_mem_onst,
 	.pwrdm_set_mem_retst		= am33xx_pwrdm_set_mem_retst,
 	.pwrdm_wait_transition		= am33xx_pwrdm_wait_transition,
+	.pwrdm_has_voltdm		= am33xx_check_vcvp,
 };