msm: crypto: Fix integer over flow check in qcedev driver

Integer overflow check always fails when ULONG_MAX is used,
as ULONG_MAX is 2^64-1, while req->data[i].len and total
are uint32_t. Make change to use U32_MAX instead of
ULONG_MAX.

CRs-fixed: 1046507
Change-Id: Iccf9c32400ecc7ffc0afae16f58c38e5d78a5b64
Signed-off-by: Zhen Kong <zkong@codeaurora.org>