leds: leds-pcs9532 - Move i2c work to a workqueque

Apparently these might be called under atomic context,
and i2c operations may sleep. BUG found by
Ross Burton <[email protected]>

Signed-off-by: Riku Voipio <[email protected]>
Signed-off-by: Richard Purdie <[email protected]>
2 files changed