util-linux: add rev utility package

I found use for this in my scripts; I noticed that it is already
compiled with util-linux - there just isn't package for it -
let's package it then.

Description:
The rev utility copies the specified files to the standard output,
reversing the order of characters in everyline.

Signed-off-by: Oskari Rauta <oskari.rauta@gmail.com>

package/utils/util-linux/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=util-linux
 PKG_VERSION:=2.38.1
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=@KERNEL/linux/utils/$(PKG_NAME)/v2.38
@@ -415,6 +415,17 @@ define Package/rename/description
  expression in their name by replacement
 endef
 
+define Package/rev
+$(call Package/util-linux/Default)
+  TITLE:=Reverse lines characterwise
+endef
+
+define Package/rev/description
+ rev utility copies the specified files to the standard output, reversing the
+ order of characters in every line. If no files are specified, the standard
+ input is read.
+endef
+
 define Package/partx-utils
 $(call Package/util-linux/Default)
   TITLE:=inform kernel about the presence and numbering of on-disk partitions
@@ -804,6 +815,11 @@ define Package/rename/install
 	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/rename $(1)/usr/bin/
 endef
 
+define Package/rev/install
+	$(INSTALL_DIR) $(1)/usr/bin
+	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/rev $(1)/usr/bin/
+endef
+
 define Package/partx-utils/install
 	$(INSTALL_DIR) $(1)/usr/sbin
 	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/partx $(1)/usr/sbin/
@@ -904,6 +920,7 @@ $(eval $(call BuildPackage,namei))
 $(eval $(call BuildPackage,nsenter))
 $(eval $(call BuildPackage,prlimit))
 $(eval $(call BuildPackage,rename))
+$(eval $(call BuildPackage,rev))
 $(eval $(call BuildPackage,partx-utils))
 $(eval $(call BuildPackage,script-utils))
 $(eval $(call BuildPackage,setterm))