disable makeinfo so that it is compilable without host-texinfo

toolchain/binutils/Makefile

@@ -47,7 +47,7 @@ ifeq ($(ADK_TARGET_ARCH_XTENSA),y)
 	tar xf $(ADK_TOPDIR)/target/xtensa/overlay/xtensa_$(ADK_TARGET_CPU_TYPE).tar \
 		--strip-components=1 -C $(WRKSRC) binutils
 endif
-	(cd $(WRKBUILD); PATH='$(HOST_PATH)' \
+	(cd $(WRKBUILD); PATH='$(HOST_PATH)' MAKEINFO=true \
 		$(WRKBUILD)/configure \
 		--prefix=$(TOOLCHAIN_DIR)/usr \
 		--target=$(GNU_TARGET_NAME) \
@@ -61,15 +61,15 @@ endif
 		--disable-install-libiberty \
 		${CONFOPTS} \
 	);
-	PATH='$(HOST_PATH)' $(MAKE) ${BINUTILS_MAKEOPTS} -C $(WRKBUILD) configure-host
+	PATH='$(HOST_PATH)' $(MAKE) ${BINUTILS_MAKEOPTS} MAKEINFO=true -C $(WRKBUILD) configure-host
 	touch $@
 
 $(WRKBUILD)/.compiled: $(WRKBUILD)/.configured
-	PATH='$(HOST_PATH)' $(MAKE) ${BINUTILS_MAKEOPTS} ${BINUTILS_STATIC_MAKEOPTS} -C $(WRKBUILD) all
+	PATH='$(HOST_PATH)' $(MAKE) ${BINUTILS_MAKEOPTS} MAKEINFO=true ${BINUTILS_STATIC_MAKEOPTS} -C $(WRKBUILD) all
 	touch $@
 
 $(WRKBUILD)/.installed: $(WRKBUILD)/.compiled
-	PATH='$(HOST_PATH)' $(MAKE) -C $(WRKBUILD) install
+	PATH='$(HOST_PATH)' $(MAKE) MAKEINFO=true -C $(WRKBUILD) install
 ifeq ($(ADK_TARGET_ARCH_H8300)$(ADK_TARGET_ARCH_NDS32),y)
 	$(INSTALL_DIR) $(STAGING_TARGET_DIR)/usr/lib/ldscripts
 	$(CP) $(WRKBUILD)/ld/ldscripts/* $(STAGING_TARGET_DIR)/usr/lib/ldscripts/