package/linux-firmware: drop redundant QCA6174 firmware symbol

package/linux-firmware: drop redundant QCA6174 firmware symbol

BR2_PACKAGE_LINUX_FIRMWARE_QUALCOMM_6174 is a superset of
BR2_PACKAGE_LINUX_FIRMWARE_ATHEROS_10K_QCA6174. Drop the redundant
symbol.

Add the full list of license files to
BR2_PACKAGE_LINUX_FIRMWARE_QUALCOMM_6174.

Add notice_ath10k_firmware-5.txt license file hash.

Cc: Yegor Yefremov <yegorslists@googlemail.com>
Reported-by: Yann E. MORIN <yann.morin.1998@free.fr>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
[yann.morin.1998@free.fr:
  - reorder license files
  - rewrap license files to usual style for multi-line variables
]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>