arm64: dts: socfpga: swvp: remove cpu1-start-addr

The cpu1-start-addr property is only applicable to 32-bit SoCFPGA
platforms.

Removing this property will take care of warnings like this:
socfpga_stratix10_swvp.dtb: sysmgr@ffd12000: cpu1-start-addr:
	False schema does not allow 4291846704

Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>

Author: Dinh Nguyen

arch/arm64/boot/dts/altera/socfpga_stratix10_swvp.dts

@@ -106,5 +106,4 @@
 &sysmgr {
 	reg = <0xffd12000 0x1000>;
 	interrupts = <0x0 0x10 0x4>;
-	cpu1-start-addr = <0xffd06230>;
 };