tinycbor: fix issue on unnamed union
Fixes:
http://autobuild.buildroot.net/results/f4d/f4d15afb44f471878dbdee7c67cd836bd2b79904
Until tinycbor 0.4 is released, patch from dev branch is needed to
remove the usage of unnamed union which are not supported by all
targets such as blackfin, more details can be found here:
https://patchwork.ozlabs.org/patch/652187/
Signed-off-by: Fabrice Fontaine <fabrice.fontaine@orange.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>