power: qpnp-smbcharger: enable parallel charging module parameter

The parallel charging module parameter is default set to disable this
feature. Change the code to enable this by default.

Change-Id: I866c0c5659286cb56fb0d97cfd02936c861dbc58
Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>