kbuild: add -fverbose-asm to i386 Makefile

Add -fverbose-asm to i386 Makefile rule for building .s files.  This makes
the assembler output much more readable for humans.

Suggested by Der Herr Hofrat <der.herr@hofr.at>
Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

scripts/Makefile.build

@@ -129,7 +129,7 @@ $(multi-objs-y:.o=.s)   : modname = $(modname-multi)
 $(multi-objs-y:.o=.lst) : modname = $(modname-multi)
 
 quiet_cmd_cc_s_c = CC $(quiet_modtag)  $@
-cmd_cc_s_c       = $(CC) $(c_flags) -S -o $@ $< 
+cmd_cc_s_c       = $(CC) $(c_flags) -fverbose-asm -S -o $@ $<
 
 %.s: %.c FORCE
 	$(call if_changed_dep,cc_s_c)