libarchive: Reduce dependencies by disabling them using configure args

In order to reduce the dependencies, this patch disables following features:
 * Extended Attributes
 * ACL support
 * bzip2 through bz2lib
 * lzop through liblzo2
 * crypto support from Nettle
 * xar through libxml2

Signed-off-by: Johannes Morgenroth <morgenroth@ibr.cs.tu-bs.de>

libs/libarchive/Makefile

@@ -30,7 +30,7 @@ endef
 
 define Package/libarchive
   $(call Package/libarchive/Default)
-  DEPENDS:=+libxml2 +libopenssl +zlib +libacl +libattr +libbz2 +liblzo +libnettle
+  DEPENDS:=+libopenssl +zlib
   TITLE:=Multi-format archive and compression library
 endef
 
@@ -38,6 +38,14 @@ define Package/libarchive/description
  Multi-format archive and compression library.
 endef
 
+CONFIGURE_ARGS += \
+	--disable-acl \
+	--disable-xattr \
+	--without-bz2lib \
+	--without-lzo2 \
+	--without-nettle \
+	--without-xml2
+
 define Build/InstallDev
 	$(INSTALL_DIR) $(1)
 	$(CP) $(PKG_INSTALL_DIR)/* $(1)/