common/board_f.c: modify the macro to use get_clocks() more common

get_clocks() should not be limited by ESDHC.

Signed-off-by: Gong Qianyu <Qianyu.Gong@freescale.com>
diff --git a/include/configs/mx53evk.h b/include/configs/mx53evk.h
index a7282f3..81af248 100644
--- a/include/configs/mx53evk.h
+++ b/include/configs/mx53evk.h
@@ -23,6 +23,7 @@
 #define CONFIG_INITRD_TAG
 #define CONFIG_REVISION_TAG
 
+#define CONFIG_FSL_CLK
 
 #define CONFIG_OF_LIBFDT