Makefile: remove CPPFLAGS and LDFLAGS to default directories

All CPPFLAGS and LDFLAGS for dependencies are handled by pkg-config

Change-Id: Ib7c11a0c8a7918562256480c4be0c95355f981c5
Signed-off-by: Thomas Heijligen <thomas.heijligen@secunet.com>
Original-Reviewed-on: https://review.coreboot.org/c/flashrom/+/61526
Original-Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/flashrom-stable/+/72293
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2 files changed