kbuild: replace $(LDFLAGS) $(ldflags-y) with $(ld_flags)

$(LDFLAGS) $(ldflags-y) is equivalent to $(ld_flags).
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>

scripts/Makefile.lib

@@ -225,8 +225,7 @@ $(obj)/%: $(src)/%_shipped
 # ---------------------------------------------------------------------------
 
 quiet_cmd_ld = LD      $@
-cmd_ld = $(LD) $(LDFLAGS) $(ldflags-y) $(LDFLAGS_$(@F)) \
-	       $(filter-out FORCE,$^) -o $@
+cmd_ld = $(LD) $(ld_flags) $(LDFLAGS_$(@F)) $(filter-out FORCE,$^) -o $@
 
 # Objcopy
 # ---------------------------------------------------------------------------