Merge tag 'x86_build_for_v6.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 build updates from Borislav Petkov:

 - Remove and simplify a bunch of cc-option and compiler version checks
   in the build machinery now that the minimal version of both compilers
   supports them

* tag 'x86_build_for_v6.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/Kconfig: Clean up LLVM version checks in IBT configurations
  x86/build: Remove cc-option from -mskip-rax-setup
  x86/build: Remove cc-option from -mno-fp-ret-in-387
  x86/build: Clean up stack alignment flags in CC_FLAGS_FPU
  x86/build: Remove cc-option from stack alignment flags
  x86/build: Remove cc-option for GCC retpoline flags