usb: gadget: Fix disconnection parameter for bam mode
usb: gadget: Fix disconnection parameter for bam mode

This fix extract the correct port parameter that should be
used on bam disconnection.
Without this USB driver doesn't call IPA APIs to disconnect
the BAM pipe, and therefore IPA doesn't vote for XO shutdown.

CRs-Fixed: 432705
Change-Id: Ib49caab8c0d1f9fcb2e32beb510fedf516e1cfc6
Signed-off-by: Shimrit Malichi <b1dc3ef41e6d54b41e40ffae20b67285eb2dd670@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas