configs/i440fx: Build-test PARALLEL_MP

Change-Id: If30d715c5a3b44be2832c96316003dc9d139b53f
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59695
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/configs/config.emulation_qemu_x86_i440fx_debug b/configs/config.emulation_qemu_x86_i440fx_debug
index 85f5499..3cff033 100644
--- a/configs/config.emulation_qemu_x86_i440fx_debug
+++ b/configs/config.emulation_qemu_x86_i440fx_debug
@@ -8,3 +8,4 @@
 CONFIG_DEBUG_MALLOC=y
 CONFIG_DEBUG_BOOT_STATE=y
 CONFIG_DEBUG_ADA_CODE=y
+CONFIG_CPU_QEMU_X86_PARALLEL_MP=y