Update buildroot to 2020.02.7 (#923)

Signed-off-by: Pascal Vizeli <pvizeli@syshack.ch>

buildroot/package/rtl8821au/0001-Fix-implicit-fallthrough-comments-for-kernel-5.3.patch

@@ -1,10 +1,11 @@
-From f41695e4069404639690d98c7aadfe72117965a6 Mon Sep 17 00:00:00 2001
+From 99f1e8bd7172ddf9613db3531a8b37921ed73351 Mon Sep 17 00:00:00 2001
 From: Jesper Skov <jb1811@jyskebank.dk>
 Date: Fri, 25 Oct 2019 10:05:41 +0200
 Subject: [PATCH] Fix implicit fallthrough comments for kernel 5.3
 
-[Upstram: https://github.com/abperiasamy/rtl8812AU_8821AU_linux/commit/e8a30a4c5a80efbbd5b1dbfe11b22916df4492f9.patch]
+[Upstream: https://github.com/abperiasamy/rtl8812AU_8821AU_linux/commit/e8a30a4c5a80efbbd5b1dbfe11b22916df4492f9.patch]
 Signed-off-by: Peter Seiderer <ps.report@gmx.net>
+Signed-off-by: Christian Stewart <christian@paral.in>
 ---
  core/rtw_mlme_ext.c | 2 ++
  1 file changed, 2 insertions(+)
@@ -24,5 +25,5 @@ index 24565ea..380f507 100644
  		_mgt_dispatcher(padapter, ptable, precv_frame);
  #ifdef CONFIG_HOSTAPD_MLME
 -- 
-2.26.0
+2.28.0