include/configs: drop COUNTER_FREQUENCY

Since we have CONFIG_COUNTER_FREQUENCY enabled, no need COUNTER_FREQUENCY

Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/include/configs/presidio_asic.h b/include/configs/presidio_asic.h
index 3295d43..1d526a7 100644
--- a/include/configs/presidio_asic.h
+++ b/include/configs/presidio_asic.h
@@ -12,8 +12,7 @@
 #define CONFIG_SYS_BOOTM_LEN		0x00c00000
 
 /* Generic Timer Definitions */
-#define COUNTER_FREQUENCY		25000000
-#define CONFIG_SYS_TIMER_RATE		COUNTER_FREQUENCY
+#define CONFIG_SYS_TIMER_RATE		25000000
 #define CONFIG_SYS_TIMER_COUNTER	0xf4321008
 
 /* note: arch/arm/cpu/armv8/start.S which references GICD_BASE/GICC_BASE