x86/microcode: Provide CONFIG_MICROCODE_INITRD32

stable inclusion
from stable-v6.6.82
category: bugfix
bugzilla: deepin-community#665

commit fdbd438 upstream

Create an aggregate config switch which covers X86_32, MICROCODE and
BLK_DEV_INITRD to avoid lengthy #ifdeffery in upcoming code.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20231017211722.236208250@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit d4c860b)

Author: KAGA-KOKO

arch/x86/Kconfig

@@ -1315,6 +1315,10 @@ config MICROCODE
 	depends on CPU_SUP_AMD || CPU_SUP_INTEL || CPU_SUP_HYGON
 	select CRYPTO_LIB_SHA256 if CPU_SUP_AMD
 
+config MICROCODE_INITRD32
+	def_bool y
+	depends on MICROCODE && X86_32 && BLK_DEV_INITRD
+
 config MICROCODE_LATE_LOADING
 	bool "Late microcode loading (DANGEROUS)"
 	default n