The const declaration for char* is actually duplicated, however
the array of strings is currently not constant. However, typically
the dt_compat array is declared as const char *const. Follow
that convention and also add the __initconst macro for constant
initialization data.
Signed-off-by: Stefan Agner <stefan@agner.ch> Acked-by: Scott Branden <sbranden@broadcom.com> Reviewed-by: Ray Jui <rjui@broadcom.com> Tested-by: Ray Jui <rjui@broadcom.com> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>