Change in coreboot[master]: libpayload: Move EXTRA_CFLAGS to enable option override

[Patrick Georgi (Code Review)]

Patrick Georgi has submitted this change. ( https://review.coreboot.org/c/coreboot/+/57181 )

Change subject: libpayload: Move EXTRA_CFLAGS to enable option override
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libpayload: Move EXTRA_CFLAGS to enable option override

Before this patch EXTRA_CFLAGS were placed before many other options.
This made overriding impossible even, when necessary. This patch moves
EXTRA_CFLAGS to be placed after original CFLAGS, thus making option
overriding possible.

Signed-off-by: Jakub Czapiga 
Change-Id: If8394b151696eee4bd736d2fb1ad340209e05fbb
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57181
Reviewed-by: Paul Fagerburg 
Tested-by: build bot (Jenkins) 
---
M payloads/libpayload/Makefile
M payloads/libpayload/Makefile.inc
2 files changed, 2 insertions(+), 2 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Paul Fagerburg: Looks good to me, approved

diff --git a/payloads/libpayload/Makefile b/payloads/libpayload/Makefile
index 049b983..90f6b23 100644
--- a/payloads/libpayload/Makefile
+++ b/payloads/libpayload/Makefile
@@ -265,7 +265,7 @@
 de$(EMPTY)fine $(1)-objs_$(2)_template
 $(obj)/$$(1).$(1).o: $$(1).$(2) $(obj)/libpayload-config.h $(4)
    @printf "    CC         $$$$(subst $$$$(obj)/,,$$$$(@))\n"
-	$(CC) $(3) -MMD $$$$(CFLAGS) -c -o $$$$@ $$$$<
+	$(CC) $(3) -MMD $$$$(CFLAGS) $(EXTRA_CFLAGS) -c -o $$$$@ $$$$<
 en$(EMPTY)def
 end$(EMPTY)if
 endef
diff --git a/payloads/libpayload/Makefile.inc b/payloads/libpayload/Makefile.inc
index fc679dd..a67ba77 100644
--- a/payloads/libpayload/Makefile.inc
+++ b/payloads/libpayload/Makefile.inc
@@ -58,7 +58,7 @@
 INCLUDES := -Iinclude -Iinclude/$(ARCHDIR-y) -I$(obj)
 INCLUDES += -include include/kconfig.h -include include/compiler.h

-CFLAGS +=  $(EXTRA_CFLAGS) $(INCLUDES) -Os -pipe -nostdinc -ggdb3
+CFLAGS += $(INCLUDES) -Os -pipe -nostdinc -ggdb3
 CFLAGS += -nostdlib -fno-builtin -ffreestanding -fomit-frame-pointer
 CFLAGS += -ffunction-sections -fdata-sections
 CFLAGS += -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes -Wvla