backports: remove mdio driver code

There is some code for the mdio driver in backports, but it does not
get build on any kernel, just remove it till someone wants to make it
work.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
backports: remove eeprom_93cx6.h header

The driver is not included in backports and we should use the in kernel
headers.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
backports: remove acpi_video_register_with_quirks()

acpi_video_register_with_quirks() was never called by any code.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
backports: remove atomic_inc_not_zero_hint()

atomic_inc_not_zero_hint() was never called by any code.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
backports: remove irq_set_affinity_hint()

irq_set_affinity_hint() was never called by any code. This makes it
possible to remove struct cpumask.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
backports: remove efi

Non of these defines or functions where used by any code.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
backports: remove ethtool_rxfh_indir_default()

ethtool_rxfh_indir_default() was never called by any code.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
backports: remove fb_enable_skip_vt_switch()

fb_enable_skip_vt_switch() was never called by any code.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
backports: remove vlan_hw_offload_capable()

vlan_hw_offload_capable() was never called by any code.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
backports: remove hex_byte_pack()

hex_byte_pack() was never called by any code.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
backports: remove kref_get_unless_zero()

kref_get_unless_zero() was never called by any code.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
backports: remove usb_unlink_anchored_urbs()

kref_get_unless_zero() was never called by any code.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
backports: remove backport/backport-include/linux/vgaarb.h

This file was never included.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
backports: remove own version of include/linux/wireless.h

This file is now copied from the kernel like a normal file we take from
the kernel.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
backports: remove own version of include/linux/unaligned/*.h

These files are now copied from the kernel like normal files we take
from the kernel.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>