spec: include kernel-specific firmware dir in initramfs

kernel.spec

@@ -314,6 +314,11 @@ if [ "%{build_flavor}" == "pvops" ]; then
     mkdir -p %buildroot/lib/firmware
     mv  %buildroot/lib/firmware-all %buildroot/lib/firmware/%kernelrelease
 fi
+
+# Include firmware in initramfs
+mkdir -p %buildroot/etc/dracut.conf.d
+echo "fw_dir+=\"/lib/firmware/%kernelrelease\"" > %buildroot/etc/dracut.conf.d/firmware-%kernelrelease.conf
+
 # Prepare initramfs for Qubes VM
 mkdir -p %buildroot/%vm_install_dir
 /sbin/dracut --nomdadmconf --nolvmconf \
@@ -371,6 +376,7 @@ fi
 %attr(0644, root, root) /boot/vmlinuz-%{kernelrelease}
 /lib/firmware/%{kernelrelease}
 /lib/modules/%{kernelrelease}
+/etc/dracut.conf.d/firmware-%kernelrelease.conf
 
 %package devel
 Summary:        Development files necessary for building kernel modules