flatbuffers: bump to version 1.9.0

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/flatbuffers/flatbuffers.hash

@@ -1,3 +1,3 @@
 # Locally computed:
-sha256	c45029c0a0f1a88d416af143e34de96b3091642722aa2d8c090916c6d1498c2e	flatbuffers-v1.8.0.tar.gz
+sha256	5ca5491e4260cacae30f1a5786d109230db3f3a6e5a0eb45d0d0608293d247e3	flatbuffers-v1.9.0.tar.gz
 sha256	7ec9661a8afafab1eee3523d6f1a193eff76314a5ab10b4ce96aefd87621b0c3	LICENSE.txt

package/flatbuffers/flatbuffers.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-FLATBUFFERS_VERSION = v1.8.0
+FLATBUFFERS_VERSION = v1.9.0
 FLATBUFFERS_SITE = $(call github,google,flatbuffers,$(FLATBUFFERS_VERSION))
 FLATBUFFERS_LICENSE = Apache-2.0
 FLATBUFFERS_LICENSE_FILES = LICENSE.txt