max77759_charger: dc power supply type and name

"dc" power supply type and name are now configurable in device tree.
Default type for "dc" is now "UNKNOWN"

Bug: 184088330
Test: boot, check PS type and name
Signed-off-by: AleX Pelosi <[email protected]>
Change-Id: Id675b8ff969ba5d6fe4db527b71be08d0b669289
1 file changed