iio: st_sensors: Create extended attr macro

Extend ST_SENSORS_LSM_CHANNELS() to a version that will accept extended
attributes named ST_SENSORS_LSM_CHANNELS_EXT() and wrap the former as a
specialized version of the former.

Cc: Hans de Goede <[email protected]>
Cc: Denis Ciocca <[email protected]>
Cc: Daniel Drake <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Signed-off-by: Stephan Gerhold <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
Reviewed-by: Hans de Goede <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jonathan Cameron <[email protected]>

0 files changed, 0 insertions, 0 deletions