Fix media: dvbdev: Fix tuner->demod media controller link

See: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20200602&id=9f984cacf4f4d53fd8a3f44d7f13528b81c1f6a8

PKGBUILD

@@ -3,7 +3,7 @@
 
 pkgname=linux-seblu
 pkgver=5.7.0
-pkgrel=1
+pkgrel=2
 pkgdesc='The Linux Kernel cooked by Seblu'
 arch=('x86_64')
 license=('GPL2')
@@ -15,9 +15,11 @@ install=linux-seblu.install
 _main=https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
 _stable=https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git
 source=("git+$_stable#tag=v5.7"
+        'fix-mc-entity.patch::https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/patch/?id=9f984cacf4f4d53fd8a3f44d7f13528b81c1f6a8'
         "config.$CARCH")
-md5sums=('SKIP'
-         'd2371a8989a49f6938c73eebfa97e95f')
+sha256sums=('SKIP'
+            'c0109c75017872a3880f5c2eee567a8ae809ea2c8fb69a312fd9551ebddb10d1'
+            '758543b984b65995c2d9bc6b310221f13b0fcfb66ee6defc10a594d5ed9fa025')
 
 prepare() {
   [[ -d linux-stable ]] && ln -snf linux-stable linux