i2c: pxa: move private definitions to i2c-pxa.c

Move driver-private definitions out of the i2c-pxa.h platform data
header file into the driver itself. Nothing outside of the driver
makes use of these constants.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Wolfram Sang <wsa@kernel.org>

i2c: pxa: remove unused i2c-slave APIs

With the i2c-pxa driver migrated to the standard i2c-slave
APIs, the custom APIs and structures are no longer needed
or used. Remove them.

Signed-off-by: Patrick Williams <alpawi@amazon.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500

Based on 2 normalized pattern(s):

this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation

this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation #

extracted by the scancode license scanner the SPDX license identifier

GPL-2.0-only

has been chosen to replace the boilerplate/reference in 4122 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

ARM: pxa: move header file out of I2C realm

include/linux/i2c is to be deprecated. Move this platform_data to the
proper platform_data dir.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>