arm64: zynqmp: Remove broken-cd from zcu100-revC

Card detect bit was broken on revA and it is working fine with revC
board that's why this property can be removed.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts

@@ -226,7 +226,6 @@ &rtc {
 &sdhci0 {
 	status = "okay";
 	no-1-8-v;
-	broken-cd; /* CD has to be enabled by default */
 	disable-wp;
 };