[][openwrt][mt7988][crypto][Add scatterlist API in DDK for look-aside mode]

[Description]
Add scatterlist API in DDK for look-aside mode.

[Release-log]
N/A


Change-Id: I869b4b79ba2af94211661d77bb3592ea32f7ea14
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/8839606
11 files changed