lp8727_charger: Add company name and description

Add 'Texas Instruments' because TI acquired National semiconductor at 2011.
And the driver information is added in the header file.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index 3a8daf8..97680d8 100644
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -235,7 +235,7 @@
 	  Say Y here to enable support for TWL4030 Battery Charge Interface.
 
 config CHARGER_LP8727
-	tristate "National Semiconductor LP8727 charger driver"
+	tristate "TI/National Semiconductor LP8727 charger driver"
 	depends on I2C
 	help
 	  Say Y here to enable support for LP8727 Charger Driver.