arm: socfpga: Nuke useless include

The dwmmc.h include was forgotten during the migration of dwmmc
probing to DM. Since the shiny DM is in place now, remove this
relic of the past.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
Cc: Chin Liang See <clsee@altera.com>

arch/arm/mach-socfpga/include/mach/dwmmc.h

@@ -1,12 +0,0 @@
-/*
- * (C) Copyright 2013 Altera Corporation <www.altera.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#ifndef	_SOCFPGA_DWMMC_H_
-#define	_SOCFPGA_DWMMC_H_
-
-int socfpga_dwmmc_init(const void *blob);
-
-#endif /* _SOCFPGA_SDMMC_H_ */

arch/arm/mach-socfpga/misc.c

@@ -16,7 +16,6 @@
 #include <asm/arch/reset_manager.h>
 #include <asm/arch/scan_manager.h>
 #include <asm/arch/system_manager.h>
-#include <asm/arch/dwmmc.h>
 #include <asm/arch/nic301.h>
 #include <asm/arch/scu.h>
 #include <asm/pl310.h>

drivers/mmc/socfpga_dw_mmc.c

@@ -6,7 +6,6 @@
 
 #include <common.h>
 #include <asm/arch/clock_manager.h>
-#include <asm/arch/dwmmc.h>
 #include <asm/arch/system_manager.h>
 #include <dm.h>
 #include <dwmmc.h>