dyndbg: display KiB of data memory used.

If booted with verbose>=1, dyndbg prints the memory usage in bytes,
of builtin modules' prdebugs.  KiB reads better.

no functional changes.

Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Link: https://lore.kernel.org/r/20210525033240.35260-1-jim.cromie@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>