[osk-sdl] Update to 0.48
This updates osk-sdl in pmos to 0.48.
I feel that keeping osk-sdl up to date is separate from the existing PR to set it as the default mechanism for unlocking rootfs.
This updates osk-sdl in pmos to 0.48.
I feel that keeping osk-sdl up to date is separate from the existing PR to set it as the default mechanism for unlocking rootfs.