kbuild: simplify cmd_ld_multi_m

$(patsubst %.o,%.mod,$@) can be replaced with $<.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

scripts/Makefile.build

@@ -425,7 +425,7 @@ $(obj)/lib.a: $(lib-y) FORCE
 	$(call if_changed,ar)
 
 quiet_cmd_ld_multi_m = LD [M]  $@
-      cmd_ld_multi_m = $(LD) $(ld_flags) -r -o $@ @$(patsubst %.o,%.mod,$@) $(cmd_objtool)
+      cmd_ld_multi_m = $(LD) $(ld_flags) -r -o $@ @$< $(cmd_objtool)
 
 define rule_ld_multi_m
 	$(call cmd_and_savecmd,ld_multi_m)