[PATCH -next] power: fix lp8788-charger kconfig & build

[Randy Dunlap]

From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>

Fix build errors in lp8788-charger by making it depend on IIO.
Fixes errors when CONFIG_IIO=m and CHARGER_LP8788=y.

lp8788-charger.c:(.text+0x2146b5): undefined reference to `iio_channel_get'
lp8788-charger.c:(.text+0x2146ce): undefined reference to `iio_channel_get'
lp8788-charger.c:(.text+0x214a86): undefined reference to `iio_read_channel_processed'
lp8788-charger.c:(.text+0x214b51): undefined reference to `iio_read_channel_processed'
lp8788-charger.c:(.text+0x214c30): undefined reference to `iio_read_channel_processed'
lp8788-charger.c:(.text+0x214d93): undefined reference to `iio_channel_release'
lp8788-charger.c:(.text+0x214dac): undefined reference to `iio_channel_release'

Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: "Milo(Woogyom) Kim" <milo.kim@xxxxxx>
---
 drivers/power/Kconfig |    1 +
 1 file changed, 1 insertion(+)

--- linux-next-20130501.orig/drivers/power/Kconfig
+++ linux-next-20130501/drivers/power/Kconfig
@@ -284,6 +284,7 @@ config CHARGER_LP8788
 	tristate "TI LP8788 charger driver"
 	depends on MFD_LP8788
 	depends on LP8788_ADC
+	depends on IIO
 	help
 	  Say Y to enable support for the LP8788 linear charger.
 
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