We should test the error case for each platform_get_irq() assignment and
propagate the error accordingly.
Signed-off-by: NFabio Estevam <fabio.estevam@freescale.com>
Acked-by: NMarek Vasut <marex@denx.de>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>