Source: https://github.com/osresearch/heads/pull/478
From 25113cb8c2f431bb0e0c038cbd2a306069159bcb Mon Sep 17 00:00:00 2001
From: Francis Lam <flam@alum.mit.edu>
Date: Sat, 10 Nov 2018 13:41:01 -0800
Subject: [PATCH] Fix coreboot build for kgpe-d16

---
 modules/coreboot | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/coreboot b/modules/coreboot
index 7081fe08..7c62b6f3 100644
--- a/modules/coreboot
+++ b/modules/coreboot
@@ -16,7 +16,7 @@ CONFIG_COREBOOT_CONFIG ?= config/coreboot-$(BOARD).config
 # Ensure that touching the config file will force a rebuild
 $(build)/$(coreboot_dir)/.configured: $(CONFIG_COREBOOT_CONFIG)
 
-EXTRA_FLAGS := -fdebug-prefix-map=$(pwd)=heads -gno-record-gcc-switches
+EXTRA_FLAGS := -fdebug-prefix-map=$(pwd)=heads -gno-record-gcc-switches -Wno-error=packed-not-aligned
 
 coreboot_configure := \
 	mkdir -p "$(build)/$(coreboot_dir)" \