power: smb135x-charger: type detection cleanup

The code prints out the type detected even after the flag indicating
these values should not be trusted is set (WRKARND_APSD_FAIL). This
causes confusion while reviewing the logs - fix it to reflect that
type detection didn't detect a valid usb type.

Change-Id: I00b8034c7d5e8396a1f6ebb80b11cd1173e8c435
Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>