Affects me as well.
update-initramfs: Generating /boot/initrd.img-4.5.0-040500-generic W: Possible missing firmware /lib/firmware/i915/bxt_dmc_ver1.bin for module i915 W: Possible missing firmware /lib/firmware/i915/skl_guc_ver4.bin for module i915
Ubuntu 14.04 LTS 64-bit Kernel 4.5.0
Affects me as well.
update-initramfs: Generating /boot/initrd. img-4.5. 0-040500- generic i915/bxt_ dmc_ver1. bin for module i915 i915/skl_ guc_ver4. bin for module i915
W: Possible missing firmware /lib/firmware/
W: Possible missing firmware /lib/firmware/
Ubuntu 14.04 LTS 64-bit
Kernel 4.5.0