configs/atmel_sama5d2_xplained_mmc_dev: increase ext4 image size
The default of 60 MB is no longer sufficient to contain all the tools
enabled in this "development" defconfig, so let's increase the ext4
image size to 120 MB.
Fixes:
https://gitlab.com/buildroot.org/buildroot/-/jobs/199339417
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit df9f18907203d2910eb8acdc262fcb583446a8ad)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>