ARM: dts: imx7: Mark timer with arm,cpu-registers-not-fw-configured

There is no firmware to initialize the arch timer register on all iMX7
systems, add arm,cpu-registers-not-fw-configured to let Linux do it.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: NXP Linux Team <linux-imx@nxp.com>
To: linux-arm-kernel@lists.infradead.org
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx7s.dtsi

@@ -151,6 +151,7 @@ replicator_in_port0: endpoint {
 
 	timer {
 		compatible = "arm,armv7-timer";
+		arm,cpu-registers-not-fw-configured;
 		interrupt-parent = <&intc>;
 		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>,
 			     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>,