ARM: zynq: DT: Remove 222 MHz OPP

Due to dependencies between timer and CPU frequency, only changes by
powers of two are allowed. The clocksource driver prevents other
changes, but with cpufreq and its governors it can result in being
spammed with error messages constantly. Hence, remove the 222 MHz OPP.
Signed-off-by: NSoren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

arch/arm/boot/dts/zynq-7000.dtsi

@@ -30,7 +30,6 @@
 				/* kHz    uV */
 				666667  1000000
 				333334  1000000
-				222223  1000000
 			>;
 		};