ARM: dts: imx53: Add GE Healthcare PPD

PPD is a product from GE Healthcare to monitor vital biometric signals.
Signed-off-by: Fabien Lahoudere <fabien.lahoudere@collabora.co.uk>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Martyn Welch <martyn.welch@collabora.co.uk>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/Makefile

@@ -347,6 +347,7 @@ dtb-$(CONFIG_SOC_IMX53) += \
 	imx53-cx9020.dtb \
 	imx53-m53evk.dtb \
 	imx53-mba53.dtb \
+	imx53-ppd.dtb \
 	imx53-qsb.dtb \
 	imx53-qsrb.dtb \
 	imx53-smd.dtb \