msm: ipa: Update wdi3 channel scratch variable

Wlan use cases would break with new GSI
firmware changes. Due to which DUT cannot
share internet to any wifi client or even
cannot use internet via wifi.
So, update wlan offload channel's scratch
structure in ipa driver, according to new
wlan data interface specification.

Change-Id: I0eff8cb24938b3b54ca72a6fe51b70f6709ab185
Signed-off-by: Mohammed Javid <mjavid@codeaurora.org>