bootcount: pmic: Correct misleading comment

Fix a copy-paste error I did when inserting the comment.

Signed-off-by: Philip Oberfichtner <pro@denx.de>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
diff --git a/drivers/bootcount/Kconfig b/drivers/bootcount/Kconfig
index e918f74..8d6424c 100644
--- a/drivers/bootcount/Kconfig
+++ b/drivers/bootcount/Kconfig
@@ -132,7 +132,7 @@
 	depends on DM_PMIC_PFUZE100
 	help
 	  Enable support for the bootcounter using PMIC PFUZE100 registers.
-	  This works only, if the PMIC is not connected.
+	  This works only, if the PMIC is not connected to a battery.
 
 config DM_BOOTCOUNT_SPI_FLASH
 	bool "Support SPI flash devices as a backing store for bootcount"