Revert "crypto: msm: delete pmem header"

This reverts commit 605c644521d44605978de4e30f79e6f56a8661b4.
Revert "remove PMEM references in Kconfig, Kbuild, and Makefile"

This reverts commit 74906157298d41b1726f0b6ef4ae32d252618772.
Revert "gpu: ion: remove stale variable"

This reverts commit 1d0fad9ec00a2c2f44e9ddcd193b4ef575c7ff54.
Revert "gpu: ion: Remove get_flags ioctl"

This reverts commit e2bf1a0f51d465709e51c9cd763665241e411fb7.
Revert "gpu: ion: Remove code for reusable heap"

This reverts commit 91979b9631eb948f4c425174e59570c02639b879.