package/rtl8821au: update upstream

Benetti Engineering just took over Larry Finger(lwfinger)'s repository [0]
rtl8821au since Larry unfortunately passed away[1](RIP) and there are
pending PRs that will never be checked as stated here. So basically move
github user to benetti-engineering-sas and update version with latest that
fixes build failure with Linux version 6.15. And of course let's update
package's URL due to the moving.

[0]: https://github.com/lwfinger/rtl8812au/issues/32
[1]: https://lwn.net/Articles/979419/

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>
(cherry picked from commit 2dd7a4a374a0e585777422f2900d893a6cfcbc42)
[thomas: only change the upstream]
Signed-off-by: Thomas Perale <thomas.perale@mind.be>

package/rtl8821au/Config.in

@@ -9,4 +9,4 @@ config BR2_PACKAGE_RTL8821AU
 	help
 	  rtl8821au wifi driver
 
-	  https://github.com/abperiasamy/rtl8812AU_8821AU_linux
+	  https://github.com/benetti-engineering-sas/rtl8821au

package/rtl8821au/rtl8821au.mk

@@ -5,7 +5,7 @@
 ################################################################################
 
 RTL8821AU_VERSION = 8ea0ed9da764448c7310a27744ab5814289f35a8
-RTL8821AU_SITE = $(call github,lwfinger,rtl8812au,$(RTL8821AU_VERSION))
+RTL8821AU_SITE = $(call github,benetti-engineering-sas,rtl8821au,$(RTL8821AU_VERSION))
 RTL8821AU_LICENSE = GPL-2.0
 RTL8821AU_LICENSE_FILES = LICENSE