luvi: bump to version 2.7.0

Add a patch from upstream [1] to fix CMake build error when building with option
"WithSharedLibluv=ON".

[1]
https://github.com/luvit/luvi/commit/35c3961d10d3f9e3752102ea8e8bb8c187b32241

Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/luvi/luvi.hash

@@ -1,2 +1,3 @@
 # Locally calculated
-sha256  a8b4aecf4c1d781614fe187b6afcb2dc7462fcd6e76a3f38cbfd0a8244c01582  luvi-src-v2.6.1.tar.gz
+sha256  1177fcc69b1bd74696d7f106e1632462b7331ef7816bbcada91a530ef19235ea  luvi-src-v2.7.0.tar.gz
+sha256  0269504ebd6fe73948bd2314199e686701c6de882fab84a48b8317c0671e84c5  35c3961d10d3f9e3752102ea8e8bb8c187b32241.patch

package/luvi/luvi.mk

@@ -4,12 +4,13 @@
 #
 ################################################################################
 
-LUVI_VERSION = v2.6.1
+LUVI_VERSION = v2.7.0
 LUVI_SOURCE = luvi-src-$(LUVI_VERSION).tar.gz
 LUVI_SITE = https://github.com/luvit/luvi/releases/download/$(LUVI_VERSION)
 LUVI_LICENSE = Apache-2.0
 LUVI_LICENSE_FILES = LICENSE.txt
 LUVI_DEPENDENCIES = libuv luajit luv host-luajit
+LUVI_PATCH = https://github.com/luvit/luvi/commit/35c3961d10d3f9e3752102ea8e8bb8c187b32241.patch
 
 # Dispatch all architectures of LuaJIT
 ifeq ($(BR2_i386),y)