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/sh2a/setup-sh7206.c

@@ -196,7 +196,6 @@ static struct platform_device scif3_device = {
 static struct sh_timer_config cmt0_platform_data = {
 	.channel_offset = 0x02,
 	.timer_bit = 0,
-	.clk = "peripheral_clk",
 	.clockevent_rating = 125,
 	.clocksource_rating = 0, /* disabled due to code generation issues */
 };
@@ -226,7 +225,6 @@ static struct platform_device cmt0_device = {
 static struct sh_timer_config cmt1_platform_data = {
 	.channel_offset = 0x08,
 	.timer_bit = 1,
-	.clk = "peripheral_clk",
 	.clockevent_rating = 125,
 	.clocksource_rating = 0, /* disabled due to code generation issues */
 };
@@ -256,7 +254,6 @@ static struct platform_device cmt1_device = {
 static struct sh_timer_config mtu2_0_platform_data = {
 	.channel_offset = -0x80,
 	.timer_bit = 0,
-	.clk = "peripheral_clk",
 	.clockevent_rating = 200,
 };
 
@@ -285,7 +282,6 @@ static struct platform_device mtu2_0_device = {
 static struct sh_timer_config mtu2_1_platform_data = {
 	.channel_offset = -0x100,
 	.timer_bit = 1,
-	.clk = "peripheral_clk",
 	.clockevent_rating = 200,
 };
 
@@ -314,7 +310,6 @@ static struct platform_device mtu2_1_device = {
 static struct sh_timer_config mtu2_2_platform_data = {
 	.channel_offset = 0x80,
 	.timer_bit = 2,
-	.clk = "peripheral_clk",
 	.clockevent_rating = 200,
 };