* ath79-generic: add support for Onion Omega

support was previously dropped in
commit 45c84a11 ("ar71xx: drop target")

* fixup! ath79-generic: add support for Onion Omega

* fixup! ath79-generic: add support for Onion Omega

Co-authored-by: Michael Wyraz <michael.wyraz@evermind.de>

Signed-off-by: Jan-Tarek Butt <tarek@ring0.de>
Signed-off-by: David Bauer <mail@david-bauer.net>

CPU: 750 MHz QCA9563
Flash: 8 MB
RAM: 64 MB
Radio 1: Qualcomm Atheros QCA9563 (b/g/n)
Radio 2: Qualcomm Atheros QCA9887 (a/n/ac)

Remove the ath10k-ct-smallbuffers variant from the default
package-seleciton as it clashes with the QCA ath10k driver.

The devolo WiFi pro 1200i lost it's ath10k package definitions while
rebasing, thus selecting the wrong package set.

Fix it by adding the correct firmware and driver.

This limits the line-length for the ATH10K package
definitions.

Fixes f49813b5

This removes the unused package definitions, as otherwise the Lua linter
will complain.

Hardware specification:
- SOC: Qualcomm QCA9563 @ 775MHz
- Flash: GigaDevice GD25Q64CSIG (8MiB)
- RAM: Zentel A3R1GE40JBF (128 MiB DDR2)
- Ethernet: Qualcomm QCA8337N: 4x 1Gbps LAN + 1x 1Gbps WAN
- Wireless:
  - 2.4GHz (bgn) QCA9563 integrated (3x3)
  - 5GHz (ac) Qualcomm QCA9886 (2x2)
- Button: 1x power, 1x reset, 1x wps
- LED: 6x LEDs: power, wlan2g, wlan5g, lan, wan, wps
- UART: There's no UART header on the board