msm: ipa: Fix removing the length check

When packet is sent with size greater than aggregation
size, packet is split into multiple SKB's. The status packet
contains the actual payload length. Make a change to skip
the length check.

Change-Id: I6b752f832d54b1038291c83375322402669aa309
Signed-off-by: Chaitanya Pratapa <cpratapa@codeaurora.org>