msm: ipa: Add QMI messages for moving NAT table

Add interface for receiving QMI request to move
NAT table to DDR or to SRAM and forward request to IPACM.
Add IOCTL for sending indication when move was completed.

Change-Id: Idb886a56586d830664a25371d48d2fac5a5e51c5
Signed-off-by: Amir Levy <alevy@codeaurora.org>