arm: zynq: Fix pmu register description coding style

Drop the space before/after '<' and '>'; and
separate the entries to be a bit more readable.
Reported-by: NJulia Cartwright <julia@ni.com>
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

arch/arm/dts/zynq-7000.dtsi

@@ -50,7 +50,8 @@
 		compatible = "arm,cortex-a9-pmu";
 		interrupts = <0 5 4>, <0 6 4>;
 		interrupt-parent = <&intc>;
-		reg = < 0xf8891000 0x1000 0xf8893000 0x1000 >;
+		reg = <0xf8891000 0x1000>,
+		      <0xf8893000 0x1000>;
 	};
 
 	regulator_vccpint: fixedregulator {