clk: cosmetic changes to clk_summary debugfs entry

clk_summary debugfs entry was already well over the traditional 80
characters per line limit but it grew even larger with the addition of
clock protection.

   clock                         enable_cnt  prepare_cnt  protect_cnt        rate   accuracy   phase
----------------------------------------------------------------------------------------------------
 wifi32k                                  1            1            0       32768          0 0
 vcpu                                     0            0            0  2016000000          0 0
 xtal                                     5            5            0    24000000          0 0

This patch reduce the width a bit:
                                 enable  prepare  protect
   clock                          count    count    count        rate   accuracy   phase
----------------------------------------------------------------------------------------
 wifi32k                              1        1        0       32768          0 0
 vcpu                                 0        0        0  2016000000          0 0
 xtal                                 5        5        0    24000000          0 0

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Quentin Schulz <quentin.schulz@free-electrons.com>
Tested-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Michael Turquette <mturquette@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>

Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/20171201215200.23523-8-jbrunet@baylibre.com