NVMe: Allow NVMe to be enabled on real hardware

A couple of users have reported success with the NVMe driver on real
hardware, so allow it to be enabled outside of QEMU.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
diff --git a/src/hw/nvme.c b/src/hw/nvme.c
index 60557ae..1c2bce5 100644
--- a/src/hw/nvme.c
+++ b/src/hw/nvme.c
@@ -618,7 +618,7 @@
 nvme_setup(void)
 {
     ASSERT32FLAT();
-    if (!CONFIG_NVME || !runningOnQEMU())
+    if (!CONFIG_NVME)
         return;
 
     dprintf(3, "init nvme\n");