[ARM] Remove unused dma.c files

CLPS711x, EPXA10DB and Integrator contained a dma.c file which has never
been built.  Remove these redundant files.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-clps711x/dma.c

-/*
- *  linux/arch/arm/mach-clps711x/dma.c
- *
- *  Copyright (C) 2000 Deep Blue Solutions Ltd
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-#include <linux/init.h>
-
-#include <asm/dma.h>
-#include <asm/mach/dma.h>
-
-void __init arch_dma_init(dma_t *dma)
-{
-}

arch/arm/mach-epxa10db/dma.c

-/*
- *  linux/arch/arm/mach-epxa10db/dma.c
- *
- *  Copyright (C) 1999 ARM Limited
- *  Copyright (C) 2000 Deep Blue Solutions Ltd
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-#include <linux/init.h>
-
-#include <asm/dma.h>
-#include <asm/mach/dma.h>
-
-void __init arch_dma_init(dma_t *dma)
-{
-}

arch/arm/mach-integrator/dma.c

-/*
- *  linux/arch/arm/mach-integrator/dma.c
- *
- *  Copyright (C) 1999 ARM Limited
- *  Copyright (C) 2000 Deep Blue Solutions Ltd
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-#include <linux/slab.h>
-#include <linux/mman.h>
-#include <linux/init.h>
-
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/dma.h>
-#include <asm/io.h>
-#include <asm/hardware.h>
-
-#include <asm/mach/dma.h>
-
-void __init arch_dma_init(dma_t *dma)
-{
-}