x86/ucode: Rename UCODE_SCAN_DEFAULT to MICROCODE_SCAN_DEFAULT

We'd rather have the full spelling in Kconfig. Adjusts every other
reference to the name too.

Not a functional change.

Signed-off-by: Alejandro Vallejo <alejandro.garciavallejo@amd.com>
Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>

automation/gitlab-ci/build.yaml

@@ -310,7 +310,7 @@ alpine-3.18-gcc-debug:
       CONFIG_ARGO=y
       CONFIG_UBSAN=y
       CONFIG_UBSAN_FATAL=y
-      CONFIG_UCODE_SCAN_DEFAULT=y
+      CONFIG_MICROCODE_SCAN_DEFAULT=y
       CONFIG_XHCI=y
 
 debian-13-x86_64-gcc-debug:

docs/misc/xen-command-line.pandoc

@@ -2773,7 +2773,7 @@ microcode in the cpio name space must be:
   - on AMD  : kernel/x86/microcode/AuthenticAMD.bin
 When using xen.efi, the `ucode=<filename>` config file setting takes
 precedence over `scan`. The default value for `scan` is set with
-`CONFIG_UCODE_SCAN_DEFAULT`.
+`CONFIG_MICROCODE_SCAN_DEFAULT`.
 
 'nmi' determines late loading is performed in NMI handler or just in
 stop_machine context. In NMI handler, even NMIs are blocked, which is

xen/arch/x86/Kconfig

@@ -331,7 +331,7 @@ config REQUIRE_NX
 	  was unavailable. However, if enabled, Xen will no longer boot on
 	  any CPU which is lacking NX support.
 
-config UCODE_SCAN_DEFAULT
+config MICROCODE_SCAN_DEFAULT
 	bool "Scan for microcode by default"
 	help
 	  During boot, Xen can scan the multiboot images for a CPIO archive

xen/arch/x86/cpu/microcode/core.c

@@ -101,7 +101,7 @@ static struct microcode_patch *microcode_cache;
  * location we require that they are not both active together.
  */
 static int __initdata opt_mod_idx;
-static bool __initdata opt_scan = IS_ENABLED(CONFIG_UCODE_SCAN_DEFAULT);
+static bool __initdata opt_scan = IS_ENABLED(CONFIG_MICROCODE_SCAN_DEFAULT);
 bool __ro_after_init opt_digest_check = true;
 
 /*