kernel: sort generic configuration

kernel: sort generic configuration

This was done by executing these commands:

$ ./scripts/kconfig.pl '+' target/linux/generic/config-4.19 /dev/null > target/linux/generic/config-4.19-new
$ mv target/linux/generic/config-4.19-new target/linux/generic/config-4.19

$ ./scripts/kconfig.pl '+' target/linux/generic/config-5.4 /dev/null > target/linux/generic/config-5.4-new
$ mv target/linux/generic/config-5.4-new target/linux/generic/config-5.4

Signed-off-by: Aleksander Jan Bajkowski <A.Bajkowski@stud.elka.pw.edu.pl>