utils: Install man pages as non-executable (chmod 644)

This bothers rpmlint.

Change-Id: I27d9cfac3ef6834ff87acc5a5ccbf332e59eeb1a
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Reviewed-on: http://review.coreboot.org/5075
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Tested-by: build bot (Jenkins)
diff --git a/util/nvramtool/Makefile b/util/nvramtool/Makefile
index b1cb27c..12f4a5c 100644
--- a/util/nvramtool/Makefile
+++ b/util/nvramtool/Makefile
@@ -66,7 +66,7 @@
 	mkdir -p $(DESTDIR)$(PREFIX)/sbin
 	$(INSTALL) $(PROGRAM) $(DESTDIR)$(PREFIX)/sbin
 	mkdir -p $(DESTDIR)$(PREFIX)/share/man/man8
-	$(INSTALL) cli/$(PROGRAM).8 $(DESTDIR)$(PREFIX)/share/man/man8
+	$(INSTALL) -p -m644 cli/$(PROGRAM).8 $(DESTDIR)$(PREFIX)/share/man/man8
 
 .PHONY: all clean distclean dep