lzip: use $(HOST_DIR) as prefix instead of DESTDIR

... and remove the /usr prefix

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/lzip/lzip.mk

@@ -15,7 +15,7 @@ define LZIP_CONFIGURE_CMDS
 endef
 
 define HOST_LZIP_CONFIGURE_CMDS
-	(cd $(@D); $(HOST_MAKE_ENV) ./configure --prefix=/usr \
+	(cd $(@D); $(HOST_MAKE_ENV) ./configure --prefix=$(HOST_DIR) \
 		$(HOST_CONFIGURE_OPTS) )
 endef
 
@@ -32,7 +32,7 @@ define LZIP_INSTALL_TARGET_CMDS
 endef
 
 define HOST_LZIP_INSTALL_CMDS
-	$(HOST_MAKE_ENV) $(MAKE) -C $(@D) DESTDIR=$(HOST_DIR) install
+	$(HOST_MAKE_ENV) $(MAKE) -C $(@D) install
 endef
 
 # It's not autotools-based