ARM: imx: add missing of_node_put()

ARM: imx: add missing of_node_put()

[ Upstream commit 87b30c4b0efb6a194a7b8eac2568a3da520d905f ]

Calling of_find_compatible_node() returns a node pointer with refcount
incremented. Use of_node_put() on it when done.
The patch fixes the same problem on different i.MX platforms.

Fixes: 933aa0d59ddc4 ("ARM: mx25: Retrieve IIM base from dt")
Fixes: edd03979a0379 ("ARM: imx27: Retrieve the SYSCTRL base address from devicetree")
Fixes: 7f6832889d2c8 ("ARM: imx31: Retrieve the IIM base address from devicetree")
Fixes: 38f93c435d1a2 ("ARM: imx35: Retrieve the IIM base address from devicetree")
Fixes: dc88ee54c21a9 ("ARM: imx5: retrieve iim base from device tree")
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Martin Kaiser <martin@kaiser.cx>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>