package/brickd: bump to version 1.2.2

This bump will fix a build failure raised since bump of vala to version
0.52.4 in commit a6855bb9

https://github.com/ev3dev/brickd/releases/tag/v1.2.2

Fixes:
 - http://autobuild.buildroot.org/results/c162e518ad614a4c21346a3ad44e2f5c6622c889



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