Simplify macro generation and fix up "DEEP,EDGE_SINGLE" bug introduced by commit 7bb756f (util/intelp2m: Update macros). Also update legacy macro comments. Change-Id: Ie49874d4abbdc7d1a18d63a62ccbce970ce78233 Signed-off-by: Benjamin Doron <benjamin.doron00@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/47314 Reviewed-by: Maxim Polyakov <max.senia.poliak@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>