src/soc/intel/common/pch/Makefile.mk - coreboot - Gitiles

 ## SPDX-License-Identifier: GPL-2.0-only
 subdirs-$(CONFIG_SOC_INTEL_COMMON_PCH_BASE) += ./*

 ifeq ($(CONFIG_SOC_INTEL_COMMON_PCH_BASE),y)
 CPPFLAGS_common += -I$(src)/soc/intel/common/pch/include/
 endif
	## SPDX-License-Identifier: GPL-2.0-only
	subdirs-$(CONFIG_SOC_INTEL_COMMON_PCH_BASE) += ./*

	ifeq ($(CONFIG_SOC_INTEL_COMMON_PCH_BASE),y)
	CPPFLAGS_common += -I$(src)/soc/intel/common/pch/include/
	endif