Revert "In 096f87aaf86ddc freezer: rename thaw_process() to __thaw_task():TEGRA 3 ARCH  was not counted for.This commit makes it compatible"

This reverts commit 29a78cbc653fd97b9db46d75b9ab4d9804c05140.
Revert "freezer: rename thaw_process() to __thaw_task() and simplify the implementation"

This reverts commit 096f87aaf86ddc741c5863885b6da1476e566a90.