Revert "Revert "Add UKSM 0.1.2""

This reverts commit 82aa00add44a9789f5d04d813f4389c747b91f3d.
Revert "Revert "UKSM: Upgrade to 0.1.2.2""

This reverts commit 8eef53854d6b4ddb4d3c7ef26ee76161927b4237.
Revert "memcopy optimize"

This reverts commit cc778555bb240e72e3b779e85ae07629e2221615.