x86/microcode/intel: Simplify scan_microcode()

commit b0f0bf5e upstream

Make it readable and comprehensible.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20231002115902.271940980@linutronix.de


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>