ddr: marvell: a38x: Remove unused file seq_exec.h

DDR code does not use seq_exec.h, so remove it.

Signed-off-by: Pali Rohár <pali@kernel.org>

drivers/ddr/marvell/a38x/ddr3_init.h

@@ -9,7 +9,6 @@
 #include "ddr_ml_wrapper.h"
 #include "mv_ddr_plat.h"
 
-#include "seq_exec.h"
 #include "ddr3_logging_def.h"
 #include "ddr3_training_hw_algo.h"
 #include "ddr3_training_ip.h"