util/cse_serger: Add a new tool for stitching CSE components

This change adds a new tool `cse_serger` which can be used to print,
dump and stitch together different components for the CSE region.

BUG=b:189177186

Change-Id: I90dd809b47fd16afdc80e66431312721082496aa
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55503
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
diff --git a/Makefile.inc b/Makefile.inc
index 7be0505..b784f3e 100644
--- a/Makefile.inc
+++ b/Makefile.inc
@@ -60,7 +60,7 @@
 #######################################################################
 # root rule to resolve if in build mode (ie. configuration exists)
 real-target: $(obj)/config.h coreboot files_added
-coreboot: $(obj)/coreboot.rom $(obj)/cbfstool $(obj)/rmodtool $(obj)/ifwitool $(obj)/cse_fpt
+coreboot: $(obj)/coreboot.rom $(obj)/cbfstool $(obj)/rmodtool $(obj)/ifwitool $(obj)/cse_fpt $(obj)/cse_serger
 
 # This target can be used in site local to run scripts or additional
 # targets after the build completes by creating a Makefile.inc in the
@@ -545,6 +545,7 @@
 IFITTOOL:=$(objutil)/cbfstool/ifittool
 AMDCOMPRESS:=$(objutil)/cbfstool/amdcompress
 CSE_FPT:=$(objutil)/cbfstool/cse_fpt
+CSE_SERGER:=$(objutil)/cbfstool/cse_serger
 
 $(obj)/cbfstool: $(CBFSTOOL)
 	cp $< $@
@@ -567,6 +568,9 @@
 $(obj)/cse_fpt: $(CSE_FPT)
 	cp $< $@
 
+$(obj)/cse_serger: $(CSE_SERGER)
+	cp $< $@
+
 _WINCHECK=$(shell uname -o 2> /dev/null)
 STACK=
 ifeq ($(_WINCHECK),Msys)
@@ -693,7 +697,7 @@
 include util/crossgcc/Makefile.inc
 
 .PHONY: tools
-tools: $(objutil)/kconfig/conf $(objutil)/kconfig/toada $(CBFSTOOL) $(objutil)/cbfstool/cbfs-compression-tool $(FMAPTOOL) $(RMODTOOL) $(IFWITOOL) $(objutil)/nvramtool/nvramtool $(objutil)/sconfig/sconfig $(IFDTOOL) $(CBOOTIMAGE) $(AMDFWTOOL) $(AMDCOMPRESS) $(FUTILITY) $(BINCFG) $(IFITTOOL) $(objutil)/supermicro/smcbiosinfo $(CSE_FPT)
+tools: $(objutil)/kconfig/conf $(objutil)/kconfig/toada $(CBFSTOOL) $(objutil)/cbfstool/cbfs-compression-tool $(FMAPTOOL) $(RMODTOOL) $(IFWITOOL) $(objutil)/nvramtool/nvramtool $(objutil)/sconfig/sconfig $(IFDTOOL) $(CBOOTIMAGE) $(AMDFWTOOL) $(AMDCOMPRESS) $(FUTILITY) $(BINCFG) $(IFITTOOL) $(objutil)/supermicro/smcbiosinfo $(CSE_FPT) $(CSE_SERGER)
 
 ###########################################################################
 # Common recipes for all stages