x86/microcode/intel: Unify microcode apply() functions

mainline inclusion
from mainline-v6.7-rc1
commit 3973718cff1e3a5d88ea78ec28ecca2afa60b30b
category: feature
bugzilla: https://gitee.com/openeuler/intel-kernel/issues/I8XRMW


CVE: NA

--------------------------------

Deduplicate the early and late apply() functions.

  [ bp: Rename the function which does the actual application to
      __apply_microcode() to differentiate it from
      microcode_ops.apply_microcode(). ]

Intel-SIG: commit 3973718cff1e x86/microcode/intel: Unify microcode apply() functions.
Microcode restructuring backport.

Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20231017211722.795508212@linutronix.de


[ Aubrey Li: amend commit log ]
Signed-off-by: Aubrey Li <aubrey.li@linux.intel.com>