imx8mp_evk: spl: clean up including headers

Clean up the including headers

Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/board/freescale/imx8mp_evk/spl.c b/board/freescale/imx8mp_evk/spl.c
index 3f043c2..ef14cfc 100644
--- a/board/freescale/imx8mp_evk/spl.c
+++ b/board/freescale/imx8mp_evk/spl.c
@@ -5,30 +5,21 @@
  */
 
 #include <common.h>
-#include <command.h>
-#include <cpu_func.h>
 #include <hang.h>
-#include <image.h>
 #include <init.h>
 #include <log.h>
 #include <spl.h>
 #include <asm/global_data.h>
-#include <asm/io.h>
-#include <errno.h>
-#include <asm/io.h>
-#include <asm/mach-imx/iomux-v3.h>
+#include <asm/arch/clock.h>
 #include <asm/arch/imx8mp_pins.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/mach-imx/boot_mode.h>
-#include <power/pmic.h>
-
-#include <power/pca9450.h>
-#include <asm/arch/clock.h>
 #include <asm/mach-imx/gpio.h>
+#include <asm/mach-imx/iomux-v3.h>
 #include <asm/mach-imx/mxc_i2c.h>
-#include <fsl_esdhc.h>
-#include <mmc.h>
 #include <asm/arch/ddr.h>
+#include <power/pmic.h>
+#include <power/pca9450.h>
 
 DECLARE_GLOBAL_DATA_PTR;