git: openjdk/jdk17u-dev: 8312585: Rename DisableTHPStackMitigation flag to THPStackMitigation

[Thomas Stuefe]

Changeset: eb639a25
Author:    Thomas Stuefe <stuefe at openjdk.org>
Date:      2023-08-31 11:50:25 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/eb639a25fd90428e45abad69e3ddb9220a37fc98

8312585: Rename DisableTHPStackMitigation flag to THPStackMitigation

Backport-of: 226cdc696d933fbc174d07b0d9817246dbc0e06c

! src/hotspot/os/linux/globals_linux.hpp
! src/hotspot/os/linux/os_linux.cpp
! test/hotspot/jtreg/runtime/os/THPsInThreadStackPreventionTest.java