From 4fcb7dfd827d7d12ffc612fbc67769e002a482e4 Mon Sep 17 00:00:00 2001
From: Frank Li <Frank.Li@freescale.com>
Date: Wed, 27 May 2015 00:25:58 +0800
Subject: [PATCH] Document: dt: fsl: snvs: change support syscon

snvs actually is multi fucntion driver.
Change to use syscon to access register.
Change snvs parent interrupt to option because single function
may have seperated irq number.

Signed-off-by: Frank Li <Frank.Li@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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