package/flatbuffers: bump to version 2.0.6

FLATBUFFERS_FLATC_EXECUTABLE must be set since
https://github.com/google/flatbuffers/commit/a592f4c89ebb688d4f9c9997f53baf1fad0de4c8

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/flatbuffers/flatbuffers.hash

@@ -1,3 +1,3 @@
 # Locally computed:
-sha256  9ddb9031798f4f8754d00fca2f1a68ecf9d0f83dfac7239af1311e4fd9a565c4  flatbuffers-2.0.0.tar.gz
+sha256  e2dc24985a85b278dd06313481a9ca051d048f9474e0f199e372fea3ea4248c9  flatbuffers-2.0.6.tar.gz
 sha256  cfc7749b96f63bd31c3c42b5c471bf756814053e847c10f3eb003417bc523d30  LICENSE.txt

package/flatbuffers/flatbuffers.mk

@@ -4,16 +4,18 @@
 #
 ################################################################################
 
-FLATBUFFERS_VERSION = 2.0.0
+FLATBUFFERS_VERSION = 2.0.6
 FLATBUFFERS_SITE = $(call github,google,flatbuffers,v$(FLATBUFFERS_VERSION))
 FLATBUFFERS_LICENSE = Apache-2.0
 FLATBUFFERS_LICENSE_FILES = LICENSE.txt
 FLATBUFFERS_CPE_ID_VENDOR = google
 FLATBUFFERS_INSTALL_STAGING = YES
+FLATBUFFERS_DEPENDENCIES = host-flatbuffers
 
 FLATBUFFERS_CONF_OPTS += \
 	-DCMAKE_CXX_FLAGS="-std=c++11" \
-	-DFLATBUFFERS_BUILD_TESTS=OFF
+	-DFLATBUFFERS_BUILD_TESTS=OFF \
+	-DFLATBUFFERS_FLATC_EXECUTABLE=$(HOST_DIR)/bin/flatc
 
 ifeq ($(BR2_STATIC_LIBS),y)
 FLATBUFFERS_CONF_OPTS += -DFLATBUFFERS_BUILD_SHAREDLIB=OFF