base-files: fix HOME_URL replace

Signed-off-by: Chen Minqiang <ptpt52@gmail.com>

include/version.mk

@@ -104,7 +104,7 @@ VERSION_SED_SCRIPT:=$(SED) 's,%U,$(call sed_escape,$(VERSION_REPO)),g' \
 	-e 's,%M,$(call sed_escape,$(VERSION_MANUFACTURER)),g' \
 	-e 's,%m,$(call sed_escape,$(VERSION_MANUFACTURER_URL)),g' \
 	-e 's,%b,$(call sed_escape,$(VERSION_BUG_URL)),g' \
-	-e 's,%b,$(call sed_escape,$(VERSION_HOME_URL)),g' \
+	-e 's,%u,$(call sed_escape,$(VERSION_HOME_URL)),g' \
 	-e 's,%s,$(call sed_escape,$(VERSION_SUPPORT_URL)),g' \
 	-e 's,%P,$(call sed_escape,$(VERSION_PRODUCT)),g' \
 	-e 's,%h,$(call sed_escape,$(VERSION_HWREV)),g'