arch/x86: Introduce `ARCH_ALL_STAGES_X86_32`

Nearly every x86 platform uses the same arch for all stages. The only
exception is Picasso. So, factor out redundant symbols from the rest.

Alder Lake is not yet complete, so it has been skipped for now.

Change-Id: I7cff9efbc44546807d9af089292c69fb0acc7bad
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45731
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
diff --git a/src/soc/intel/icelake/Kconfig b/src/soc/intel/icelake/Kconfig
index 1e66e97..60cb5e5 100644
--- a/src/soc/intel/icelake/Kconfig
+++ b/src/soc/intel/icelake/Kconfig
@@ -8,10 +8,7 @@
 config CPU_SPECIFIC_OPTIONS
 	def_bool y
 	select ACPI_INTEL_HARDWARE_SLEEP_VALUES
-	select ARCH_BOOTBLOCK_X86_32
-	select ARCH_RAMSTAGE_X86_32
-	select ARCH_ROMSTAGE_X86_32
-	select ARCH_VERSTAGE_X86_32
+	select ARCH_ALL_STAGES_X86_32
 	select BOOT_DEVICE_SPI_FLASH_RW_NOMMAP_EARLY if BOOT_DEVICE_SPI_FLASH
 	select BOOT_DEVICE_SUPPORTS_WRITES
 	select CACHE_MRC_SETTINGS