power: smb5: Fix OTG random disconnection issue

OTG devices get disconnected randomly due to fault conditions from
usbin_mid_comp and usbni_collapse.

Disable both per HW recommendation during typec source mode.

Also in source mode, USB suspend is unnecessary, remove it.

CRs-Fixed: 2393802
Change-Id: I5f2c2000769a73f3cb95287603cf3c15a78f40fb
Signed-off-by: Harry Yang <harryy@codeaurora.org>