usb: ehci: HBM require 64-byte aligned QH and qTD data structures

HBM block contains USB_OTG_HS_HBM_QH_MAP_PIPEn SW registers that map
BAM pipes to QHeads. However the USB_OTG_HS_HBM_QH_MAP_PIPEn registers
have only 31:6 valid bits, bits 5:0 are reserved, thus 64 bytes boundary
alignment is required.

CRs-Fixed: 395882
Change-Id: Ic921a95be3c2b6ded69b6f42afaa5dff3a25d5c8
Signed-off-by: Shimrit Malichi <smalichi@codeaurora.org>