max77759_charger: add const qualifier for max77759_set_usecase()

every function called from it must get the const struct as well.

Bug: 203140995
Signed-off-by: Jack Wu <[email protected]>
Change-Id: Ibe3c5fb67f4c0364d18c4dfdc1bcc681bcf46f48
(cherry picked from commit e6e5ae7cb346720f712b4a05d091a1b2c4867830)
1 file changed