Failed to suspend once ever paired with BLE devices: PM: Device 0000:00:14.0 failed to suspend async: error -16

[Impact]
Similar to bug 1858776 and bug 1850738, Intel(R) Wireless-AC 9560 160MHz, REV=0x354 [8086:02f0] subsystem [8086:4034] btusb may fail system suspend with following error messages in dmesg:

[ 4.880979] Bluetooth: hci0: Bootloader revision 0.1 build 0 week 30 2018
[ 4.881987] Bluetooth: hci0: Device revision is 2
[ 4.881988] Bluetooth: hci0: Secure boot is enabled
[ 4.881989] Bluetooth: hci0: OTP lock is enabled
[ 4.881990] Bluetooth: hci0: API lock is enabled
[ 4.881991] Bluetooth: hci0: Debug lock is disabled
[ 4.881992] Bluetooth: hci0: Minimum firmware build 1 week 10 2014
[ 4.883480] Bluetooth: hci0: Found device firmware: intel/ibt-19-0-1.sfi
...
[ 71.387652] PM: suspend entry (s2idle)
[ 71.387655] PM: Syncing filesystems ... done.
[ 71.395449] Freezing user space processes ...
[ 71.770699] Bluetooth: hci0: advertising data len corrected
[ 72.330683] (elapsed 0.920 seconds) done.
[ 72.330689] OOM killer disabled.
[ 72.330690] Freezing remaining freezable tasks ... (elapsed 0.014 seconds) done.
[ 72.345132] printk: Suspending console(s) (use no_console_suspend to debug)
[ 72.399557] pci_pm_suspend(): hcd_pci_suspend+0x0/0x30 returns -16
[ 72.399566] dpm_run_callback(): pci_pm_suspend+0x0/0x150 returns -16
[ 72.399730] PM: Device 0000:00:14.0 failed to suspend async: error -16
[ 72.425583] PM: Some devices failed to suspend, or early wake event detected
[ 72.486631] Bluetooth: hci0: advertising data len corrected
[ 72.611800] OOM killer enabled.
[ 72.611802] Restarting tasks ... done.
[ 72.629308] thermal thermal_zone5: failed to read out thermal zone (-61)
[ 72.663376] PM: suspend exit
[ 72.663413] PM: suspend entry (s2idle)

This can be fixed by upgrading intel/ibt-19-0-1.sfi to REL0318 from upstream commit c0ca980cee32.

[Test case]
install the firmware update, check that suspend works

[Regression potential]
Firmware is firmware, regressions are possible.

---
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-firmware 1.173.14
ProcVersionSignature: Ubuntu 5.0.0-1037.42-oem-osp1 5.0.21
Uname: Linux 5.0.0-1037-oem-osp1 x86_64
ApportVersion: 2.20.9-0ubuntu7.9
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: u 1583 F.... pulseaudio
Date: Tue Feb 11 02:05:47 2020
Dependencies:

DistributionChannelDescriptor:
 # This is the distribution channel descriptor for the OEM CDs
 # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
 canonical-oem-somerville-bionic-amd64-20190418-59+beaver-osp1-arya+X37
InstallationDate: Installed on 2020-01-06 (35 days ago)
InstallationMedia: Ubuntu 18.04 "Bionic" - Build amd64 LIVE Binary 20190418-12:10
MachineType: Dell Inc. Latitude 7410
PackageArchitecture: all
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.0.0-1037-oem-osp1 root=UUID=fd4c84f6-205f-4fb2-9225-bb232ba08e38 ro quiet splash vt.handoff=1
PulseList:
 Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied
 No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
 linux-restricted-modules-5.0.0-1037-oem-osp1 N/A
 linux-backports-modules-5.0.0-1037-oem-osp1 N/A
 linux-firmware 1.173.14
SourcePackage: linux-firmware
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/30/2019
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 0.4.7
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvr0.4.7:bd12/30/2019:svnDellInc.:pnLatitude7410:pvr:rvnDellInc.:rn:rvr:cvnDellInc.:ct10:cvr:
dmi.product.family: Latitude
dmi.product.name: Latitude 7410
dmi.product.sku: 09BE
dmi.sys.vendor: Dell Inc.