The patch fixes these compiler's warnings:

  drivers/clk/clk-gate-shared.c:72:13: warning: no previous prototype for 'clk_gate_shared_alloc' [-Wmissing-prototypes]
   struct clk *clk_gate_shared_alloc(const char *name, const char *parent, const char *companion,
               ^
  drivers/clk/clk-gate-shared.c:89:6: warning: no previous prototype for 'clk_gate_shared_free' [-Wmissing-prototypes]
   void clk_gate_shared_free(struct clk *clk)
        ^

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>