ARM: dts: add DT for CIAA LPC4337 industrial computer

Add basic support for CIAA (Argentine Open Industrial Computer)
LPC4337 board. This commit enables the following peripherals:
  * UART
  * SSP
  * Ethernet

Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Joachim Eastwood <manabian@gmail.com>