siemens: board: clean up includes

Many includes were not removed when code parts were moved or removed.

Signed-off-by: Enrico Leto <enrico.leto@siemens.com>
diff --git a/board/siemens/pxm2/board.c b/board/siemens/pxm2/board.c
index bff6d20..888c7c0 100644
--- a/board/siemens/pxm2/board.c
+++ b/board/siemens/pxm2/board.c
@@ -12,35 +12,21 @@
  * Copyright (C) 2011, Texas Instruments, Incorporated - https://www.ti.com/
  */
 
-#include <common.h>
+#include <cpsw.h>
 #include <env.h>
-#include <errno.h>
+#include <i2c.h>
 #include <init.h>
-#include <log.h>
-#include <malloc.h>
+#include <nand.h>
 #include <net.h>
-#include <spl.h>
-#include <asm/arch/cpu.h>
-#include <asm/arch/hardware.h>
-#include <asm/arch/omap.h>
-#include <asm/arch/ddr_defs.h>
 #include <asm/arch/clock.h>
-#include <asm/arch/gpio.h>
-#include <asm/arch/mmc_host_def.h>
+#include <asm/arch/ddr_defs.h>
 #include <asm/arch/sys_proto.h>
-#include <asm/io.h>
-#include <asm/emif.h>
 #include <asm/gpio.h>
-#include <i2c.h>
-#include <miiphy.h>
-#include <cpsw.h>
-#include <watchdog.h>
+#include <asm/io.h>
+#include "pmic.h"
 #include "../common/board_am335x.h"
 #include "../common/eeprom.h"
 #include "../common/factoryset.h"
-#include "pmic.h"
-#include <nand.h>
-#include <bmp_layout.h>
 
 #ifdef CONFIG_SPL_BUILD
 void draco_init_ddr(void)
diff --git a/board/siemens/pxm2/mux.c b/board/siemens/pxm2/mux.c
index 07cf567..bdf460b 100644
--- a/board/siemens/pxm2/mux.c
+++ b/board/siemens/pxm2/mux.c
@@ -11,12 +11,10 @@
  * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/
  */
 
-#include <common.h>
+#include <asm/io.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/arch/hardware.h>
 #include <asm/arch/mux.h>
-#include <asm/io.h>
-#include <i2c.h>
 #include "eeprom.h"
 
 static struct module_pin_mux uart0_pin_mux[] = {