configs/atmel_sama5d3_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/199339421
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit d9273b22e9c822d6302038a09b4b6767d51ab6ae)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>