power: smb5-lib: Fix incorrect CC-orientation notification to USB

In the case of role switch failure, the CC orientation value is
updated too early to usb driver before the attach interrupt itself.
Fix this by sending the notification to usb driver in attach interrupt.

Change-Id: I27e3f59cbc236e34173dd55b95abdf610d016752
Signed-off-by: Kavya Nunna <knunna@codeaurora.org>