Below is the kernel log showing the error. This occurs on some boot ups (and reboots) while other times the subsystem just comes up normally. I am unable to figure out exactly what is causing this issue but when this happens there is no wifi or Bluetooth. The fix is to reboot, sometime several times. This occurs on both 18.01 and 19.01 releases.
[ +2.517434] qcom-wcnss-pil a204000.wcnss: a204000.wcnss supply vddcx not found, using dummy regulator
[ +0.020509] remoteproc remoteproc0: a204000.wcnss is available
[ +0.063807] remoteproc remoteproc0: powering up a204000.wcnss
[ +0.000033] remoteproc remoteproc0: Booting fw image wcnss.mdt, size 7260
[ +0.059070] qcom-wcnss-pil a204000.wcnss: no iris registered
[ +0.000029] remoteproc remoteproc0: can’t start rproc a204000.wcnss: -22