libuv: add a hash file

Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/libuv/libuv.hash

@@ -0,0 +1,2 @@
+# Locally calculated
+sha256 11d10f12d68fa655fff18c6021e8e45bc610e7baee006f17247b1830ee316093  libuv-v1.7.5.tar.gz