kernel: sort generic configuration

kernel: sort generic configuration

This was done by executing these commands:

$ ./scripts/kconfig.pl '+' target/linux/generic/config-5.15 /dev/null > target/linux/generic/config-5.15-new
$ mv target/linux/generic/config-5.15-new target/linux/generic/config-5.15

$ ./scripts/kconfig.pl '+' target/linux/generic/config-6.1 /dev/null > target/linux/generic/config-6.1-new
$ mv target/linux/generic/config-6.1-new target/linux/generic/config-6.1

Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
(cherry picked from commit 4f197f91342bc5e1f202c091c2c2f90e949d0749)