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: dts: exynos: Fix DTC unit name warnings in cros-adc-thermistors

Fix following DTC warnings in cros-adc-thermistors:

Warning (unit_address_vs_reg): Node /adc@12D10000/ncp15wb473@3 has a unit name, but no reg property
Warning (unit_address_vs_reg): Node /adc@12D10000/ncp15wb473@4 has a unit name, but no reg property
Warning (unit_address_vs_reg): Node /adc@12D10000/ncp15wb473@5 has a unit name, but no reg property
Warning (unit_address_vs_reg): Node /adc@12D10000/ncp15wb473@6 has a unit name, but no reg property

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>

ARM: dts: Add thermistor dts fragment used by exynos based Peach boards

This patch creates a thermistor fragment carrying the NTC
Thermistor nodes as children of the IIO based ADC.

This fragment is included in exynos5420-peach-pit.dts and
exynos5800-peach-pi.dts.

Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>