qcacld-3.0: Fix Integer overflow with latest framesc_linux tool
This is qcacld-2.0 to qcacld-3.0 propagation
In get_container_ies_len size type for len is uint8_t.
len copies values from pBufRemaining.
There can be chance for integer overflow.
To avoid that make size type for len as uint32_t.
Change-Id: I305321a6631719808ef213571974ae23b0e61bb3
CRs-Fixed: 2064580