Couldn't find rom image 'canon-a1100-rom1.bin'.
Description of problem:
```
$ qemu-system-aarch64 -machine canon-a1100
qemu-system-aarch64: Couldn't find rom image 'canon-a1100-rom1.bin'.
```
Steps to reproduce:
```
qemu-system-aarch64 -machine canon-a1100
```