power_supply: add few more values and props

Add LiMn (one of the most common for small non-rechargable batteries)
battery technology and voltage_min/_max properties support.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Anton Vorontsov <cbou@mail.ru>
diff --git a/drivers/power/power_supply_sysfs.c b/drivers/power/power_supply_sysfs.c
index bab591ba..d482484 100644
--- a/drivers/power/power_supply_sysfs.c
+++ b/drivers/power/power_supply_sysfs.c
@@ -48,7 +48,8 @@
 		"Unspecified failure"
 	};
 	static char *technology_text[] = {
-		"Unknown", "NiMH", "Li-ion", "Li-poly", "LiFe", "NiCd"
+		"Unknown", "NiMH", "Li-ion", "Li-poly", "LiFe", "NiCd",
+		"LiMn"
 	};
 	ssize_t ret;
 	struct power_supply *psy = dev_get_drvdata(dev);
@@ -84,6 +85,8 @@
 	POWER_SUPPLY_ATTR(present),
 	POWER_SUPPLY_ATTR(online),
 	POWER_SUPPLY_ATTR(technology),
+	POWER_SUPPLY_ATTR(voltage_max),
+	POWER_SUPPLY_ATTR(voltage_min),
 	POWER_SUPPLY_ATTR(voltage_max_design),
 	POWER_SUPPLY_ATTR(voltage_min_design),
 	POWER_SUPPLY_ATTR(voltage_now),