linux-firmware: Update to version 20121216

linux-firmware: Update to version 20121216

The rtl8723bs firmware was removed and a symlink to the rtl8723bu
firmware was created like it is done in upstream linux-firmware.

The following OpenWrt packages are changing:
* amdgpu-firmware: Multiple updates and new files
* ar3k-firmware: Multiple updates and new files
* ath10k-firmware-qca6174: Updated ath10k/QCA6174/hw3.0/board-2.bin
* bnx2x-firmware: Added bnx2x-e1-7.13.21.0.fw, bnx2x-e1h-7.13.21.0.fw and bnx2x-e2-7.13.21.0.fw
* iwlwifi-firmware-iwl8260c: Updated iwlwifi-8000C-36.ucode
* iwlwifi-firmware-iwl8265: Updated iwlwifi-8265-36.ucode
* iwlwifi-firmware-iwl9000: Updated iwlwifi-9000-pu-b0-jf-b0-46.ucode
* iwlwifi-firmware-iwl9260: Updated iwlwifi-9260-th-b0-jf-b0-46.ucode
* r8169-firmware: Updated rtl8153c-1.fw
* rtl8723bs-firmware: removed
* rtl8723bu-firmware: Added rtlwifi/rtl8723bs_nic.bin symlink
* rtl8822ce-firmware: Updated rtw8822c_fw.bin

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