sys-kernel/zenpower3: update EAPI 7 -> 8; migrate linux-mod -> linux-mod-r1

Signed-off-by: Gonçalo Negrier Duarte <gonegrier.duarte@gmail.com>

sys-kernel/zenpower3/files/zenpower3-0.2.0-use-symlink-to-detect-kernel-version.patch

@@ -1,9 +0,0 @@
---- a/Makefile
-+++ b/Makefile
-@@ -1,5 +1,5 @@
- VERSION         := 0.2.0
--TARGET          := $(shell uname -r)
-+TARGET          := $(KV_FULL)
- DKMS_ROOT_PATH  := /usr/src/zenpower-$(VERSION)
- 
- KERNEL_MODULES	:= /lib/modules/$(TARGET)

sys-kernel/zenpower3/zenpower3-0.2.0.ebuild

@@ -1,9 +1,9 @@
 # Copyright 2020-2022 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-EAPI=7
+EAPI=8
 
-inherit linux-info linux-mod
+inherit linux-info linux-mod-r1
 
 DESCRIPTION="Linux kernel driver for reading sensors of AMD Zen family CPUs"
 HOMEPAGE="https://github.com/Ta180m/zenpower3"
@@ -18,20 +18,18 @@ DEPEND=""
 RDEPEND="${DEPEND}"
 BDEPEND=""
 
-PATCHES="${FILESDIR}/${P}-use-symlink-to-detect-kernel-version.patch"
-
 CONFIG_CHECK="HWMON PCI AMD_NB"
 
-BUILD_TARGETS="modules"
-MODULE_NAMES="zenpower(misc:${S})"
-
 src_compile() {
-	export KV_FULL
-	linux-mod_src_compile
+	export KERNELVERSION=${KV_FULL}
+	local modlist=(
+		zenpower=misc:::all
+	)
+	linux-mod-r1_src_compile
 }
 
 src_install() {
-	linux-mod_src_install
+	linux-mod-r1_src_install
 	dobin zp_read_debug.sh
 	dodoc README.md
 }