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-4.14-new target/linux/generic/config-4.14

$ ./scripts/kconfig.pl '+' target/linux/generic/config-4.14 /dev/null > target/linux/generic/config-4.14-new
$ mv target/linux/generic/config-4.19-new target/linux/generic/config-4.19

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>