ARM: 5783/1: Make it possible for U300 LDO D to shut down

This changes the regulator platform config for U300 so that the
LDO D regulator can change status and shut down the system and
the pm_shutdown() hook in regulator.c starts working.

Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-u300/i2c.c b/arch/arm/mach-u300/i2c.c
index 7bc2503..c73ed06 100644
--- a/arch/arm/mach-u300/i2c.c
+++ b/arch/arm/mach-u300/i2c.c
@@ -130,6 +130,7 @@
 				.min_uV = LDO_D_VOLTAGE,
 				.max_uV = LDO_D_VOLTAGE,
 				.valid_modes_mask = REGULATOR_MODE_NORMAL,
+				.valid_ops_mask = REGULATOR_CHANGE_STATUS,
 				/*
 				 * Actually this is boot_on but we need
 				 * to reference count it externally to