arm: zynq: Drop unnecessary code in SPL board_init_f()

Move to the new way of starting up SPL. Clearing of BSS and calling
board_init_r() is now handled by crt0.S.

Also tidy up the header include order.
Signed-off-by: NSimon Glass <sjg@chromium.org>
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

arch/arm/mach-zynq/spl.c

@@ -7,8 +7,8 @@
 #include <spl.h>
 
 #include <asm/io.h>
-#include <asm/arch/hardware.h>
 #include <asm/spl.h>
+#include <asm/arch/hardware.h>
 #include <asm/arch/sys_proto.h>
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -17,11 +17,7 @@ void board_init_f(ulong dummy)
 {
 	ps7_init();
 
-	/* Clear the BSS. */
-	memset(__bss_start, 0, __bss_end - __bss_start);
-
 	arch_cpu_init();
-	board_init_r(NULL, 0);
 }
 
 #ifdef CONFIG_SPL_BOARD_INIT