Rename LPID to PEPD for consistency. PEPD means "Power Engine Plug-In
Device" and is the name Intel and vendors usually use, so let's comply.
Change-Id: I1caa009a3946b1c55da8afbae058cafe98940c6d
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46470
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>