Fix kconfig check exception, rename samsung_tuna -> samsung-tuna (#777)

The kconfig checker expects linux-$_flavor = $pkgname. Thus, just make it so.

device/linux-samsung-tuna/APKBUILD

@@ -11,7 +11,7 @@
 # - disable ANDROID_PARANOID_NETWORK (removes network restrictions)
 
 _vendor=samsung
-_flavor=samsung_tuna
+_flavor=samsung-tuna
 _hash="e14e5fe679a63eef92346cde874175d8b62b6a4a"
 _config="config-${_flavor}.armhf"
 
@@ -21,7 +21,7 @@ case $pkgver in
 	*.*.*)  _kernver=${pkgver%.*};;
 	*.*) _kernver=$pkgver;;
 esac
-pkgrel=6
+pkgrel=7
 arch="armhf"
 pkgdesc="Nexus 4 kernel from LineageOS"
 url="https://github.com/LineageOS/android_kernel_samsung_tuna"
@@ -30,7 +30,7 @@ makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev"
 options="!strip !check !tracedeps"
 install=
 source="
-	$pkgname-$_hash.tar.gz::https://github.com/LineageOS/android_kernel_${_flavor}/archive/${_hash}.tar.gz
+	$pkgname-$_hash.tar.gz::https://github.com/LineageOS/android_kernel_samsung_tuna/archive/${_hash}.tar.gz
 	$_config
 	compiler-gcc6.h
 	android_paranoid_network.patch
@@ -44,7 +44,7 @@ _carch="arm"
 HOSTCC="${CC:-gcc}"
 HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
 
-ksrcdir="$srcdir/android_kernel_${_flavor}-${_hash}"
+ksrcdir="$srcdir/android_kernel_samsung_tuna-${_hash}"
 
 prepare() {
 	local _patch_failed=
@@ -103,7 +103,7 @@ package() {
 }
 
 sha512sums="f117b3202c3db1a575598fd87ee27080db5c447c986ced677b63e6b00613ebfab58d634bf63b8bcf0c229eb0bec4dc81b13d7cfda3c2aee62e9ed8e26eeb860c  linux-samsung-tuna-e14e5fe679a63eef92346cde874175d8b62b6a4a.tar.gz
-283d747b011e4ea283680f618ee4ab6373d4879f285f22ee733ef542ea6b12d24e27a641b8a04c0448862ca58d2702d8a60db84c14da504d0deb8143994222cd  config-samsung_tuna.armhf
+283d747b011e4ea283680f618ee4ab6373d4879f285f22ee733ef542ea6b12d24e27a641b8a04c0448862ca58d2702d8a60db84c14da504d0deb8143994222cd  config-samsung-tuna.armhf
 d80980e9474c82ba0ef1a6903b434d8bd1b092c40367ba543e72d2c119301c8b2d05265740e4104ca1ac5d15f6c4aa49e8776cb44264a9a28dc551e0d1850dcc  compiler-gcc6.h
 d8cdc1137e6a4ad78a3a31acc40f0c98f4db272eaf5b90ee850abb83b80916c4ff3c18a0a181e94eebead44213f6314e3363d0c4b91d95ee1adafbcad6dc57ab  android_paranoid_network.patch
 65eb11dca6645073885228af6aae6efa40b6f063fd04157b501acf40368bf331dd701f746ed187659f654a9354ddf304aaefca8ffc9ea2b00c145c61162e1189  fix_old_perl_code.patch"