ARM: dts: imx6q-apalis: add can power-up delay on ixora board

Newer variants of Ixora boards require a power-up delay when powering up
the CAN transceiver of up to 1ms.

Cc: stable@vger.kernel.org
Signed-off-by: Andrejs Cainikovs <andrejs.cainikovs@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>