binutils: unbreak host build after auto-host-deps change

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/binutils/binutils.mk

@@ -40,6 +40,8 @@ HOST_BINUTILS_CONF_OPT = --disable-multilib --disable-werror \
 			$(BR2_CONFIGURE_STAGING_SYSROOT) \
 			$(BINUTILS_EXTRA_CONFIG_OPTIONS)
 
+HOST_BINUTILS_DEPENDENCIES =
+
 # We just want libbfd and libiberty, not the full-blown binutils in staging
 define BINUTILS_INSTALL_STAGING_CMDS
 	$(MAKE) -C $(@D)/bfd DESTDIR=$(STAGING_DIR) install