cpu/x86: Default to PARALLEL_MP selected

Change-Id: I9833c4f6c43b3e67f95bd465c42d7a5036dff914
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55196
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

src/soc/amd/picasso/Kconfig

@@ -57,7 +57,6 @@ config CPU_SPECIFIC_OPTIONS
 	select SOC_AMD_COMMON_BLOCK_UCODE
 	select PROVIDES_ROM_SHARING
 	select BOOT_DEVICE_SUPPORTS_WRITES if BOOT_DEVICE_SPI_FLASH
-	select PARALLEL_MP
 	select PARALLEL_MP_AP_WORK
 	select HAVE_SMI_HANDLER
 	select SSE2