clk: Fix trivia typo in comment exlusive => exclusive

Fix trivia typo in comment exlusive => exclusive.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lkml.kernel.org/r/20200310135507.87959-1-andriy.shevchenko@linux.intel.comSigned-off-by: Stephen Boyd <sboyd@kernel.org>

drivers/clk/clk.c

@@ -774,7 +774,7 @@ static void clk_core_rate_restore_protect(struct clk_core *core, int count)
  * clk_rate_exclusive_get - get exclusivity over the clk rate control
  * @clk: the clk over which the exclusity of rate control is requested
  *
- * clk_rate_exlusive_get() begins a critical section during which a clock
+ * clk_rate_exclusive_get() begins a critical section during which a clock
  * consumer cannot tolerate any other consumer making any operation on the
  * clock which could result in a rate change or rate glitch. Exclusive clocks
  * cannot have their rate changed, either directly or indirectly due to changes