dt-binding: gpio: publish binding IDs under dual license

Changes gpio.h DT binding header file to be published under GPLv2 or
BSD-2-Clause license terms. This change allows this GPIO generic
bindings header file to be used in software components as bootloaders
and OSes that are not published under GPLv2 terms.

All contributors to gpio.h file in copy.

Cc: Stephen Warren <[email protected]>
Cc: Linus Walleij <[email protected]>
Cc: Laxman Dewangan <[email protected]>
Cc: Andrew Jeffery <[email protected]>
Cc: Thomas Petazzoni <[email protected]>
Cc: Nuno Sá <[email protected]>
Signed-off-by: Etienne Carriere <[email protected]>
Acked-by: Nuno Sá <[email protected]>
Acked-by: Andrew Jeffery <[email protected]>
Reviewed-by: Linus Walleij <[email protected]>
Acked-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Rob Herring <[email protected]>

0 files changed, 0 insertions, 0 deletions