board: sl28: remove COUNTER_FREQUENCY_REAL
The frequency of the system counter is static which is given by the
COUNTER_FREQUENCY option. Remove COUNTER_FREQUENCY_REAL.
Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/include/configs/kontron_sl28.h b/include/configs/kontron_sl28.h
index 38063ba..df46e58 100644
--- a/include/configs/kontron_sl28.h
+++ b/include/configs/kontron_sl28.h
@@ -37,8 +37,6 @@
/* serial port */
#define CONFIG_SYS_NS16550_CLK (get_bus_freq(0) / 2)
-#define COUNTER_FREQUENCY_REAL (get_board_sys_clk() / 4)
-
/* SPL */
#define CONFIG_SYS_MONITOR_LEN (1024 * 1024)