There is no out of the box working solutions.
- Current android downstream kernel with clemsyn oc patches https://github.com/zombah/android_kernel_toshiba_ac100/commits/rel-15r7-ac100-jellybean-oc
- Not tested
- Legacy factory kernel with mblaster tegra oc patches https://gitlab.com/ac100/zombahs-kernel/commits/ac100-oc
- Works. Tested by xandrster in android honeycomb alpha port
- HW moding for 1.4Ghz overclocking http://4pda.ru/forum/index.php?showtopic=198800&st=6020#entry9119259
- Current android build will probably require changes to power hal and maybe some other places.