Fix OMVF location for openSUSE

The split firmware requires that both the CODE and the VARS parts
are mounted. Otherwise the combined firmware should be used.

This should apply to the other Linux distributions too, but I have
not checked the filenames there.

Ref: https://bugzilla.suse.com/show_bug.cgi?id=1230291#c5

Signed-off-by: Jan Dubois <jan.dubois@suse.com>

pkg/qemu/qemu.go

@@ -1119,7 +1119,7 @@ func getFirmware(qemuExe string, arch limayaml.Arch) (string, error) {
 		// Fedora package "edk2-ovmf"
 		candidates = append(candidates, "/usr/share/edk2/ovmf/OVMF_CODE.fd")
 		// openSUSE package "qemu-ovmf-x86_64"
-		candidates = append(candidates, "/usr/share/qemu/ovmf-x86_64-code.bin")
+		candidates = append(candidates, "/usr/share/qemu/ovmf-x86_64-4m.bin")
 		// Archlinux package "edk2-ovmf"
 		candidates = append(candidates, "/usr/share/edk2-ovmf/x64/OVMF_CODE.fd")
 	case limayaml.AARCH64: