package/uccp420wlan: drop package

uccp420wlan is not maintained anymore (no commit since 2017) and fails
to build with any "recent" kernel (e.g. >= 4.7 which includes
https://github.com/torvalds/linux/commit/57fbcce37be7c1d2622b56587c10ade00e96afa3
or
https://github.com/torvalds/linux/commit/8552a434b6a05cc38006733afe6a239ad4d600a2):

/home/thomas/autobuild/instance-1/output-1/build/uccp420wlan-6.9.1/./src/tx.c: In function ‘uccp420wlan_tx_free_buff_req’:
/home/thomas/autobuild/instance-1/output-1/build/uccp420wlan-6.9.1/./src/tx.c:1142:49: error: ‘IEEE80211_BAND_2GHZ’ undeclared (first use in this function); did you mean ‘IEEE80211_CHAN_2GHZ’?
 1142 |                                 if (ets_band == IEEE80211_BAND_2GHZ)
      |                                                 ^~~~~~~~~~~~~~~~~~~
      |                                                 IEEE80211_CHAN_2GHZ

[...]

/home/thomas/autobuild/instance-1/output-1/build/uccp420wlan-6.9.1/./src/core.c:428:29: error: implicit declaration of function ‘ieee80211_csa_is_complete’; did you mean ‘ieee80211_scan_completed’? [-Werror=implicit-function-declaration]
  428 |                         if (ieee80211_csa_is_complete(uvif->vif))
      |                             ^~~~~~~~~~~~~~~~~~~~~~~~~
      |                             ieee80211_scan_completed

Fixes:
 - http://autobuild.buildroot.org/results/7cd7151e390b8f7a0df3e647fe4cd5d6319a830b

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

Config.in.legacy

@@ -146,6 +146,13 @@ endif
 
 comment "Legacy options removed in 2023.02"
 
+config BR2_PACKAGE_UCCP420WLAN
+	bool "uccp420wlan removed"
+	select BR2_LEGACY
+	help
+	  The uccp420wlan package is unmaintained and doesn't build
+	  with any "recent" kernel (e.g. >= 4.7).
+
 config BR2_PACKAGE_IMX_GPU_G2D_EXAMPLES
 	bool "imx-gpu-g2d examples removed"
 	select BR2_LEGACY

package/Config.in

@@ -621,7 +621,6 @@ endmenu
 	source "package/triggerhappy/Config.in"
 	source "package/uboot-tools/Config.in"
 	source "package/ubus/Config.in"
-	source "package/uccp420wlan/Config.in"
 	source "package/udev/Config.in"
 	source "package/udev-gentoo-scripts/Config.in"
 	source "package/udisks/Config.in"

package/uccp420wlan/Config.in

@@ -1,16 +0,0 @@
-config BR2_PACKAGE_UCCP420WLAN
-	bool "uccp420wlan"
-	depends on BR2_LINUX_KERNEL
-	help
-	  SoftMAC (mac80211) based WiFi driver for Imagination's
-	  Explorer RPU uccp420. This supports Dual Band WiFi with
-	  2.4GHz - 2x2 b/g/n 40MHz, 5GHz - 2x2 a/n/11ac 80MHz modes
-
-	  Used in creator ci40 board.
-
-	  This module needs a Linux kernel >= v4.2.
-
-	  https://github.com/CreatorDev/uccp420wlan
-
-comment "uccp420wlan needs a Linux kernel >= 4.2 to be built"
-	depends on !BR2_LINUX_KERNEL

package/uccp420wlan/uccp420wlan.hash

@@ -1,4 +0,0 @@
-# locally computed hash
-sha256  1d4de62fc842dbab739708cf0d9ebce270fcdf63c1c13ac676cbc253acdaa3bb  uccp420wlan-6.9.1.tar.gz
-sha256  af8067302947c01fd9eee72befa54c7e3ef8a48fecde7fd71277f2290b2bf0f7  COPYING
-sha256  9ac431585fddfe624b08cf7464876a5e96061047ff26a9e926da3d89d21a2a73  firmware/LICENSE.imagination

package/uccp420wlan/uccp420wlan.mk

@@ -1,18 +0,0 @@
-################################################################################
-#
-# uccp420wlan
-#
-################################################################################
-
-UCCP420WLAN_VERSION = 6.9.1
-UCCP420WLAN_SITE = $(call github,CreatorDev,uccp420wlan,v$(UCCP420WLAN_VERSION))
-UCCP420WLAN_LICENSE = GPL-2.0 (kernel module), proprietary (firmware blob)
-UCCP420WLAN_LICENSE_FILES = COPYING firmware/LICENSE.imagination
-
-define UCCP420WLAN_INSTALL_TARGET_CMDS
-	mkdir -p $(TARGET_DIR)/lib/firmware/img/uccp420wlan
-	cp $(@D)/firmware/*.ldr $(TARGET_DIR)/lib/firmware/img/uccp420wlan
-endef
-
-$(eval $(kernel-module))
-$(eval $(generic-package))