power: supply: qcom: Update SMB5 charger properties for GKI compliance

Add support for PSY_IIO_TYPEC_ACCESSORY_MODE property needed for
audio use case. Replace QTI_POWER_SUPPLY_CHARGE_TYPE_TAPER with
POWER_SUPPLY_CHARGE_TYPE_ADAPTIVE to ensure reported charge
type always aligns with allowed types.
In addition, correct read failues seen for dc voltage and
typec_src_rp properties.

Change-Id: I7e39c002488049686dd0dedcf433b9c19687075d
Signed-off-by: Jishnu Prakash <jprakash@codeaurora.org>