Drop the Kconfig for hyperthreading to be always able to check at
runtime if hyperthreading is supported. Having a Kconfig for this
doesn't have any benefit.
Change-Id: Ib7b7a437d758f7fe4a09738db1eab8189290b288
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46507
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>