package/libubootenv: bump to version 9294981
This includes the following changes:
9294981 handle protected mmcblk_boot_ devices
ac6d18a add missing includes
8106b65 add .editorconfig file
Signed-off-by: Pierre-Jean Texier <pjtexier@koncepto.io>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>