usb: ci13xxx_msm_hsic: Disable TXFIFO_IDLE_FORCE bit

There is a possibility of TX buffer corruption in core (device mode)
if TXFIFO_IDLE_FORCE chicken bit is left enabled. As this bit is not
required with the current core configuration, disable it.

CRs-Fixed: 674673
Change-Id: I7ad96b680903bb95808c879fb1e0e41cb5764fef
Signed-off-by: Mayank Rana <mrana@codeaurora.org>