ARM: BeagleBoard-x15: Enable IO delay recalibration sequence

Enable IO delay recalibration sequence.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
diff --git a/include/configs/beagle_x15.h b/include/configs/beagle_x15.h
index 369f7b8..8d072c6 100644
--- a/include/configs/beagle_x15.h
+++ b/include/configs/beagle_x15.h
@@ -14,6 +14,10 @@
 
 #define CONFIG_AM57XX
 
+#ifdef CONFIG_SPL_BUILD
+#define CONFIG_IODELAY_RECALIBRATION
+#endif
+
 #define CONFIG_NR_DRAM_BANKS		2
 
 #define CONFIG_ENV_SIZE			(64 << 10)