treewide: combine VERSION_SED and VERSION_SED_SCRIPT

We don't need two versions of this.  The escaping quotes
is so that the sed commands aren't misinterpreted by shell;
it has nothing to do with the contents of the file, thus
one version is adequate.

Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>

include/version.mk

@@ -85,7 +85,7 @@ $(subst &,\&,$(subst $(comma),\$(comma),$(subst ','\'',$(subst \,\\,$(1)))))
 endef
 #'
 
-VERSION_SED:=$(SED) 's,%U,$(call sed_escape,$(VERSION_REPO)),g' \
+VERSION_SED_SCRIPT:=$(SED) 's,%U,$(call sed_escape,$(VERSION_REPO)),g' \
 	-e 's,%V,$(call sed_escape,$(VERSION_NUMBER)),g' \
 	-e 's,%v,\L$(call sed_escape,$(subst $(space),_,$(VERSION_NUMBER))),g' \
 	-e 's,%C,$(call sed_escape,$(VERSION_CODE)),g' \
@@ -104,4 +104,3 @@ VERSION_SED:=$(SED) 's,%U,$(call sed_escape,$(VERSION_REPO)),g' \
 	-e 's,%P,$(call sed_escape,$(VERSION_PRODUCT)),g' \
 	-e 's,%h,$(call sed_escape,$(VERSION_HWREV)),g'
 
-VERSION_SED_SCRIPT:=$(VERSION_SED)

package/base-files/Makefile

@@ -137,7 +137,7 @@ define Package/base-files/install
 		fi; \
 	)
 
-	$(VERSION_SED) \
+	$(VERSION_SED_SCRIPT) \
 		$(1)/etc/banner \
 		$(1)/etc/openwrt_version \
 		$(1)/usr/lib/os-release
@@ -194,7 +194,7 @@ define Package/base-files/install
 	$(if $(CONFIG_CLEAN_IPKG),, \
 		mkdir -p $(1)/etc/opkg; \
 		$(call FeedSourcesAppend,$(1)/etc/opkg/distfeeds.conf); \
-		$(VERSION_SED) $(1)/etc/opkg/distfeeds.conf)
+		$(VERSION_SED_SCRIPT) $(1)/etc/opkg/distfeeds.conf)
 endef
 
 ifneq ($(DUMP),1)