power: ltc2941-battery-gauge: Fix typo in conversion formula (58 instead of 85)

The driver reported 30% less than actually measured. This turned out to
be caused by a simple typo in the formula to calculate the LSB quantity.

Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
diff --git a/drivers/power/ltc2941-battery-gauge.c b/drivers/power/ltc2941-battery-gauge.c
index e31c927..50c5d89 100644
--- a/drivers/power/ltc2941-battery-gauge.c
+++ b/drivers/power/ltc2941-battery-gauge.c
@@ -440,7 +440,7 @@
 	} else {
 		if (prescaler_exp > LTC2941_MAX_PRESCALER_EXP)
 			prescaler_exp = LTC2941_MAX_PRESCALER_EXP;
-		info->Qlsb = ((58 * 50000) / r_sense) /
+		info->Qlsb = ((85 * 50000) / r_sense) /
 				(128 / (1 << prescaler_exp));
 	}