package/luvi: needs git submodules

Luvi bundles several libraries previously provided by the upstream
tarball. Since the tarball is not available anymore we need to fetch
the git submodules. Unbundling is very hard, and we anyway don't have
the bundled libraries in Buildroot.

Fixes
http://autobuild.buildroot.net/results/26d/26d04350a761d362f40e7bd1ac09b639d61de91a/

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Acked-by: "Jörg Krause <joerg.krause@embedded.rocks>"
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

package/luvi/luvi.hash

@@ -1,2 +1,2 @@
 # Locally calculated
-sha256 65d3ded5007d5bb58fc3b76013913596fd42ed7326310d67c668ddf9a017a179  luvi-v2.7.6.tar.gz
+sha256 6d2297751b4d4023c1fa8b723b6f04e09584c67694958edbfa0d284f384759d5  luvi-v2.7.6.tar.gz

package/luvi/luvi.mk

@@ -5,7 +5,8 @@
 ################################################################################
 
 LUVI_VERSION = v2.7.6
-LUVI_SITE = $(call github,luvit,luvi,$(LUVI_VERSION))
+LUVI_SITE = git://github.com/luvit/luvi.git
+LUVI_GIT_SUBMODULES = YES
 LUVI_LICENSE = Apache-2.0
 LUVI_LICENSE_FILES = LICENSE.txt
 LUVI_DEPENDENCIES = libuv luajit luv host-luajit