ASoC: pxa: remove unused board support

Most PXA/MMP boards were removed, so the board specific ASoC
support is no longer needed, leaving only support for DT
based ones, as well as the "gumstix" and "spitz" machines
that may get converted to DT later.

Cc: Ian Molton <spyro@f2s.com>
Cc: Ken McGuire <kenm@desertweyr.com>
Cc: Marek Vasut <marek.vasut@gmail.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: alsa-devel@alsa-project.org
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

include/linux/platform_data/asoc-palm27x.h

@@ -1,9 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _INCLUDE_PALMASOC_H_
-#define _INCLUDE_PALMASOC_H_
-
-struct palm27x_asoc_info {
-	int	jack_gpio;
-};
-
-#endif

include/linux/platform_data/asoc-poodle.h

@@ -1,16 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __LINUX_PLATFORM_DATA_POODLE_AUDIO
-#define __LINUX_PLATFORM_DATA_POODLE_AUDIO
-
-/* locomo is not a proper gpio driver, and uses its own api */
-struct poodle_audio_platform_data {
-	struct device	*locomo_dev;
-
-	int		gpio_amp_on;
-	int		gpio_mute_l;
-	int		gpio_mute_r;
-	int		gpio_232vcc_on;
-	int		gpio_jk_b;
-};
-
-#endif

include/linux/platform_data/mmp_audio.h

@@ -1,18 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- *  MMP Platform AUDIO Management
- *
- *  Copyright (c) 2011 Marvell Semiconductors Inc.
- */
-
-#ifndef MMP_AUDIO_H
-#define MMP_AUDIO_H
-
-struct mmp_audio_platdata {
-	u32 period_max_capture;
-	u32 buffer_max_capture;
-	u32 period_max_playback;
-	u32 buffer_max_playback;
-};
-
-#endif /* MMP_AUDIO_H */