wm831x_backup: Fix wrong kfree call for devdata->backup.name
wm831x_backup: Fix wrong kfree call for devdata->backup.name

devdata->backup.name points to devdata->name, the memory for devdata->name
is part of struct wm831x_backup. Thus remove kfree call for
devdata->backup.name.

Signed-off-by: Axel Lin <b6ffd6973e972cb999e8e535ab74da7fee0c035f@ingics.com>
Acked-by: Mark Brown <b51b9a92386687a9ac927cebfa0f978adeb8cea5@opensource.wolfsonmicro.com>
Signed-off-by: Anton Vorontsov <14deb5e5e417133e888bf47bb6a3555c9bb7d81c@enomsg.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas