charger-manager : Replace kzalloc to devm_kzalloc and remove uneccessary code
charger-manager : Replace kzalloc to devm_kzalloc and remove uneccessary code

Use devm function for dynamic memory allocation.

Signed-off-by: Jonghwa Lee <41b6036433e5f6e320aceb7f1267c6aae8cab431@samsung.com>
Signed-off-by: Myungjoo Ham <84146178f7c201fa3079bfc93fccba71d81dffe3@samsung.com>
Signed-off-by: Anton Vorontsov <14deb5e5e417133e888bf47bb6a3555c9bb7d81c@enomsg.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs