In PetaLinux 2019.1, APU-Only restart fails for Ultra96 platforms.
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[ 2.853974] io scheduler noop registered
[ 2.857861] io scheduler deadline registered
[ 2.862121] io scheduler cfq registered (default)
[ 2.866776] io scheduler mq-deadline registered
[ 2.871270] io scheduler kyber registered
[ 2.877104] xilinx-frmbuf 80020000.v_frmbuf_wr: Probe deferred due to GPIO reset defer
[ 2.913354] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
[ 2.915818] 80060000.serial: ttyS2 at MMIO 0x80061000 (irq = 48, base_baud = 6249993) is a 16550A