sh: clkfwk: fix up compiler warnings.

  CC      drivers/sh/clk/core.o
drivers/sh/clk/core.c: In function 'clk_round_parent':
drivers/sh/clk/core.c:574: warning: format '%lu' expects type 'long unsigned int', but argument 2 has type 'unsigned int'
drivers/sh/clk/core.c:594: warning: format '%lu' expects type 'long unsigned int', but argument 2 has type 'unsigned int'

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

drivers/sh/clk/core.c

@@ -571,7 +571,7 @@ long clk_round_parent(struct clk *clk, unsigned long target,
 					*best_freq = freq_max;
 			}
 
-			pr_debug("too low freq %lu, error %lu\n", freq->frequency,
+			pr_debug("too low freq %u, error %lu\n", freq->frequency,
 				 target - freq_max);
 
 			if (!error)
@@ -591,7 +591,7 @@ long clk_round_parent(struct clk *clk, unsigned long target,
 					*best_freq = freq_min;
 			}
 
-			pr_debug("too high freq %lu, error %lu\n", freq->frequency,
+			pr_debug("too high freq %u, error %lu\n", freq->frequency,
 				 freq_min - target);
 
 			if (!error)