davinci: add support for printing clock frequency

add support for printing various clock frequency info found
in SOC such as ARM core frequency, DSP core frequency and DDR
frequency as part of bdinfo command.

Signed-off-by: Manjunath Hadli <manjunath.hadli@ti.com>
Cc: Tom Rini <trini@ti.com>
diff --git a/include/configs/da830evm.h b/include/configs/da830evm.h
index e8c0212..4532e4f 100644
--- a/include/configs/da830evm.h
+++ b/include/configs/da830evm.h
@@ -203,6 +203,10 @@
 #undef CONFIG_CMD_FPGA
 #undef CONFIG_CMD_SETGETDCR
 
+#ifdef CONFIG_CMD_BDI
+#define CONFIG_CLOCKS
+#endif
+
 #ifndef CONFIG_DRIVER_TI_EMAC
 #undef CONFIG_CMD_NET
 #undef CONFIG_CMD_DHCP