Change references to flashrom-stable

Adapt all mentions of the mailing list and also the version print.

Change-Id: Ib4a3271422ee6cf4d0efb8c3fa858b66a22c0a33
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/flashrom-stable/+/70922
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/Makefile b/Makefile
index ef1d186..0f546de 100644
--- a/Makefile
+++ b/Makefile
@@ -1258,7 +1258,7 @@
 
 $(PROGRAM).8: $(PROGRAM).8.tmpl
 	@# Add the man page change date and version to the man page
-	@sed -e 's#.TH FLASHROM 8 .*#.TH FLASHROM 8 "$(MAN_DATE)" "$(VERSION)" "$(MAN_DATE)"#' <$< >$@
+	@sed -e 's#.TH FLASHROM 8 .*#.TH FLASHROM 8 "$(MAN_DATE)" "flashrom-stable-$(VERSION)" "$(MAN_DATE)"#' <$< >$@
 
 install: $(PROGRAM)$(EXEC_SUFFIX) $(PROGRAM).8
 	mkdir -p $(DESTDIR)$(PREFIX)/sbin