linux-postmarketos-qcom-msm8953: upgrade to 6.6.8-r0 (MR 4671)

[ci:skip-build]: already built successfully in CI

device/community/linux-postmarketos-qcom-msm8953/APKBUILD

@@ -4,7 +4,7 @@
 
 _flavor="postmarketos-qcom-msm8953"
 pkgname=linux-$_flavor
-pkgver=6.5.2
+pkgver=6.6.8
 pkgrel=0
 pkgdesc="Close to mainline linux kernel for Qualcomm Snapdragon MSM8953"
 arch="aarch64"
@@ -25,7 +25,7 @@ makedepends="
 	postmarketos-installkernel
 "
 
-_tag="$pkgver-r1"
+_tag="$pkgver-r0"
 
 source="
 	$pkgname-v$_tag.tar.gz::$url/archive/v$_tag.tar.gz
@@ -60,6 +60,6 @@ package() {
 }
 
 sha512sums="
-72603a44b0a41937be7b2a9bb31b062034396bc6c78c16226f98604fee57a1e9ae6c659ec1692d48e0fde0bb06aca30048c795d15e74c26ab79cd60f0064be73  linux-postmarketos-qcom-msm8953-v6.5.2-r1.tar.gz
-6e8d1667f2dea647ef0e0d3a778387f5952054df25523eff485d7d0b27916c93f89171929b742cb9a705498e5365e5f22d545faa1f2264037afd8ee357eb6691  config-postmarketos-qcom-msm8953.aarch64
+8ffd005e56f3136658c61b489f02470a1ef37d31477adbf80dc50409e4fe247b633a2cbd73b37c77048bc40c06b0c13031ecf3715c0c6a19f5e1fb880ce27787  linux-postmarketos-qcom-msm8953-v6.6.8-r0.tar.gz
+bbdd2910f6fa0b39c7c4370b2b4569fc0b71ae020d0c8ce3a25871e1d6663467f3d5346254a3d136a98c7ce75e268b4498680f5b0355c0bb1bc8108d014f0775  config-postmarketos-qcom-msm8953.aarch64
 "