ARM: PNX4008: convert watchdog to use clk API enable/disable calls

clk_set_rate() is not supposed to be used to turn clocks on and off.
That's what clk_enable/clk_disable is for.

Acked-by: Wim Van Sebroeck <wim@iguana.be>
Acked-by: Vitaly Wool <vitalywool@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-pnx4008/clock.c b/arch/arm/mach-pnx4008/clock.c
index e514023..944ffa9 100644
--- a/arch/arm/mach-pnx4008/clock.c
+++ b/arch/arm/mach-pnx4008/clock.c
@@ -740,10 +740,10 @@
 	.name = "wdt_ck",
 	.parent = &per_ck,
 	.flags = NEEDS_INITIALIZATION,
-	.round_rate = &on_off_round_rate,
-	.set_rate = &on_off_set_rate,
 	.enable_shift = 0,
 	.enable_reg = TIMCLKCTRL_REG,
+	.enable = clk_reg_enable,
+	.disable = clk_reg_disable,
 };
 
 /* These clocks are visible outside this module