This configuration for the TS-4900 was added back in September
2016 (commit 3138ab3fee), and has not
been updated in any significant way since then.
This defconfig still use a 4.12 kernel that is no longer maintained.
Remove its support.
Fixes:
https://gitlab.com/buildroot.org/buildroot/-/jobs/14728914086 (ts4900_defconfig)
Signed-off-by: Romain Naour <romain.naour@smile.fr>
Signed-off-by: Julien Olivain <ju.o@free.fr>
fac93ecea8