sh: Kill off timer clock strings for legacy CPG parts.

Now with the lookup aliases in place there is no longer any need to
provide the clock string, kill it off for all legacy CPG CPUs.

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

arch/sh/kernel/cpu/sh4/setup-sh4-202.c

@@ -33,7 +33,6 @@ static struct platform_device scif0_device = {
 static struct sh_timer_config tmu0_platform_data = {
 	.channel_offset = 0x04,
 	.timer_bit = 0,
-	.clk = "peripheral_clk",
 	.clockevent_rating = 200,
 };
 
@@ -62,7 +61,6 @@ static struct platform_device tmu0_device = {
 static struct sh_timer_config tmu1_platform_data = {
 	.channel_offset = 0x10,
 	.timer_bit = 1,
-	.clk = "peripheral_clk",
 	.clocksource_rating = 200,
 };
 
@@ -91,7 +89,6 @@ static struct platform_device tmu1_device = {
 static struct sh_timer_config tmu2_platform_data = {
 	.channel_offset = 0x1c,
 	.timer_bit = 2,
-	.clk = "peripheral_clk",
 };
 
 static struct resource tmu2_resources[] = {