[Bug target/95621] New: Add CET(PTA_SHSTK) to march=tigerlake

[lili.cui at intel dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95621

            Bug ID: 95621
           Summary: Add CET(PTA_SHSTK) to march=tigerlake
           Product: gcc
           Version: 10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: lili.cui at intel dot com
  Target Milestone: ---

For intel TigerLake need support CET, add PTA_SHSTK to march=tigerlake.