cmake: emu: qemu: Add binary suffix for or1k architecture

The Qemu emulator executable for the OpenRISC 1000 (or1k) architecture is
named qemu-or1k. This patch adds this information to the qemu architecture
suffix list.

Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>

Author: jhol

cmake/emu/qemu.cmake

@@ -8,6 +8,8 @@ elseif("${ARCH}" STREQUAL "mips")
   else()
     set_ifndef(QEMU_binary_suffix mipsel)
   endif()
+elseif("${ARCH}" STREQUAL "openrisc")
+  set_ifndef(QEMU_binary_suffix or1k)
 elseif(DEFINED QEMU_ARCH)
   set_ifndef(QEMU_binary_suffix ${QEMU_ARCH})
 else()