ARM: k2g: Add clock information

Add clock information for Galileo

Signed-off-by: Vitaly Andrianov <vitalya@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
diff --git a/arch/arm/mach-keystone/cmd_mon.c b/arch/arm/mach-keystone/cmd_mon.c
index 73ceb83..a539d5d 100644
--- a/arch/arm/mach-keystone/cmd_mon.c
+++ b/arch/arm/mach-keystone/cmd_mon.c
@@ -37,7 +37,7 @@
 	if (argc < 2)
 		return CMD_RET_USAGE;
 
-	freq = clk_get_rate(sys_clk0_6_clk);
+	freq = CONFIG_SYS_HZ_CLOCK;
 
 	addr = simple_strtoul(argv[1], NULL, 16);