clk: Fix clk func names in comments

clk function names in comments should be prefix with
clk instead of clock.

Fix it.

Cc: Simon Glass <sjg@chromium.org>
Cc: Tom Rini <trini@konsulko.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/include/clk.h b/include/clk.h
index 60c4b7d..c6a2713 100644
--- a/include/clk.h
+++ b/include/clk.h
@@ -93,7 +93,7 @@
 			      struct phandle_1_arg *cells, struct clk *clk);
 
 /**
- * clock_get_by_index - Get/request a clock by integer index.
+ * clk_get_by_index - Get/request a clock by integer index.
  *
  * This looks up and requests a clock. The index is relative to the client
  * device; each device is assumed to have n clocks associated with it somehow,
@@ -110,7 +110,7 @@
 int clk_get_by_index(struct udevice *dev, int index, struct clk *clk);
 
 /**
- * clock_get_by_index_nodev - Get/request a clock by integer index
+ * clk_get_by_index_nodev - Get/request a clock by integer index
  * without a device.
  *
  * This is a version of clk_get_by_index() that does not use a device.
@@ -124,7 +124,7 @@
 int clk_get_by_index_nodev(ofnode node, int index, struct clk *clk);
 
 /**
- * clock_get_bulk - Get/request all clocks of a device.
+ * clk_get_bulk - Get/request all clocks of a device.
  *
  * This looks up and requests all clocks of the client device; each device is
  * assumed to have n clocks associated with it somehow, and this function finds
@@ -139,7 +139,7 @@
 int clk_get_bulk(struct udevice *dev, struct clk_bulk *bulk);
 
 /**
- * clock_get_by_name - Get/request a clock by name.
+ * clk_get_by_name - Get/request a clock by name.
  *
  * This looks up and requests a clock. The name is relative to the client
  * device; each device is assumed to have n clocks associated with it somehow,
@@ -169,7 +169,7 @@
 int clk_get_by_name_nodev(ofnode node, const char *name, struct clk *clk);
 
 /**
- * clock_get_optional_nodev - Get/request an optinonal clock by name
+ * clk_get_optional_nodev - Get/request an optinonal clock by name
  *		without a device.
  * @node:	The client ofnode.
  * @name:	The name of the clock to request.
@@ -331,7 +331,7 @@
 int clk_request(struct udevice *dev, struct clk *clk);
 
 /**
- * clock_free - Free a previously requested clock.
+ * clk_free - Free a previously requested clock.
  *
  * @clock:	A clock struct that was previously successfully requested by
  *		clk_request/get_by_*().