qemu: Remove secure memory node from device tree

QEMU adds a device tree node for secure-memory. Remove it, since linux
will use it, even though it is marked secure only, and crash if an
allocation happens to use this node instead of the non-secure memory

Bug: 187854772
Change-Id: I944cca2ae9cd7b99a0afd3940d7f6f63edc88ab0
1 file changed