package/rtl8821au: bump to 2022-10-30 version of v5.2.6 branch

Fixes:
http://autobuild.buildroot.net/results/4526cb70ce91bcd5fce60ebb4f704a63f1ecd249/

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Arnout Vandecappelle <arnout@mind.be>

package/rtl8821au/rtl8821au.hash

@@ -1,3 +1,3 @@
 # Locally calculated
-sha256  302f37098c3ae018eebf8ca80bcd2ec8ffc46755daed811278321d0914758f41  rtl8821au-e0b443940471c166a5cc6280d3608f95228e017f.tar.gz
+sha256  9dfb2b12c52fe759e4978cbd7a0fb90f0605ae9146a6d0186f2869bbfb6d13fd  rtl8821au-0cab870ff635ba038705ab29363b0cbbedd5c258.tar.gz
 sha256  640d90f6ee401241ff62834d0d1b33f83049e99b8bfdfa04ed1b0a1635dde3e7  LICENSE

package/rtl8821au/rtl8821au.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-RTL8821AU_VERSION = e0b443940471c166a5cc6280d3608f95228e017f
+RTL8821AU_VERSION = 0cab870ff635ba038705ab29363b0cbbedd5c258
 RTL8821AU_SITE = $(call github,lwfinger,rtl8812au,$(RTL8821AU_VERSION))
 RTL8821AU_LICENSE = GPL-2.0
 RTL8821AU_LICENSE_FILES = LICENSE