util: Rename Makefiles from .inc to .mk

The .inc suffix is confusing to various tools as it's not specific to
Makefiles. This means that editors don't recognize the files, and don't
open them with highlighting and any other specific editor functionality.

This issue is also seen in the release notes generation script where
Makefiles get renamed before running cloc.

Signed-off-by: Martin Roth <gaumless@gmail.com>
Change-Id: I434940ebb46853980596f7ad55d27a62c90280fa
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80123
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

Makefile.mk

@@ -768,7 +768,7 @@ gitconfig:
 install-git-commit-clangfmt:
 	cp util/scripts/prepare-commit-msg.clang-format .git/hooks/prepare-commit-msg
 
-include util/crossgcc/Makefile.inc
+include util/crossgcc/Makefile.mk
 
 .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) $(CSE_SERGER) $(AMDFWREAD)

util/cbfstool/Makefile

@@ -91,7 +91,7 @@ ifneq ($(V),1)
 .SILENT:
 endif
 
-include Makefile.inc
+include Makefile.mk
 
 $(objutil)/cbfstool/cbfstool.o: $(VBOOT_SOURCE)/firmware/include/vb2_sha.h
 $(objutil)/cbfstool/elogtool.o: $(VBOOT_SOURCE)/firmware/include/vb2_sha.h

util/cbfstool/Makefile.mk

@@ -98,14 +98,14 @@ elogobj += elog.o
 elogobj += common.o
 elogobj += flashrom.o
 
-include $(top)/util/cbfstool/fpt_formats/Makefile.inc
+include $(top)/util/cbfstool/fpt_formats/Makefile.mk
 cse_fpt_obj :=
 cse_fpt_obj += cse_fpt.o
 cse_fpt_obj += common.o
 cse_fpt_obj += cse_helpers.o
 cse_fpt_obj += $(foreach var, $(fpt_formats_obj), $(var))
 
-include $(top)/util/cbfstool/bpdt_formats/Makefile.inc
+include $(top)/util/cbfstool/bpdt_formats/Makefile.mk
 cse_serger_obj :=
 cse_serger_obj += cse_serger.o
 cse_serger_obj += common.o

util/futility/Makefile

@@ -23,4 +23,4 @@ ifneq ($(Q),)
 endif
 endif
 
-include Makefile.inc
+include Makefile.mk

util/ifdtool/Makefile

@@ -10,7 +10,7 @@ HOSTCC ?= $(CC)
 HOSTCFLAGS ?= $(CFLAGS)
 top := ../..
 objutil := ..
-include Makefile.inc
+include Makefile.mk
 
 PROGRAM=$(objutil)/ifdtool/ifdtool
 

util/qemu/Makefile.mk

@@ -2,10 +2,10 @@
 
 # This automatically adds a `qemu` make target if a compatible
 # configuration is selected. There are some notable variables
-# that can be set or adapted in `Makefile.inc` files, the make
+# that can be set or adapted in `Makefile.mk` files, the make
 # command line or the environment:
 #
-# Primarily for `Makefile.inc` use:
+# Primarily for `Makefile.mk` use:
 # QEMU-y		the QEMU executable
 # QEMU_CFG-y		a QEMU config that sets the available default devices,
 #			used to run more comprehensive tests by default,