ARM: SMDK6410: Specify no GPIO for B_PWR_5V regulator

Since the fixed voltage regulator grew support for GPIO based
enables and GPIO 0 is valid on some systems we need to specify
that there is no valid GPIO enable control.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/arch/arm/mach-s3c6410/mach-smdk6410.c b/arch/arm/mach-s3c6410/mach-smdk6410.c
index 480d297..8969fe7 100644
--- a/arch/arm/mach-s3c6410/mach-smdk6410.c
+++ b/arch/arm/mach-s3c6410/mach-smdk6410.c
@@ -211,6 +211,7 @@
 	.supply_name = "B_PWR_5V",
 	.microvolts = 5000000,
 	.init_data = &smdk6410_b_pwr_5v_data,
+	.gpio = -EINVAL,
 };
 
 static struct platform_device smdk6410_b_pwr_5v = {