Update meson edge to 6.8 kernel (#6575)

* Meson8b update kernel to 6.8
* Fix error in clean tools 6.8 kernel

config/sources/families/include/meson_common.inc

@@ -51,7 +51,7 @@ case $BRANCH in
 		;;
 
 	edge)
-		declare -g KERNEL_MAJOR_MINOR="6.7"
+		declare -g KERNEL_MAJOR_MINOR="6.8"
 		;;
 esac
 

patch/kernel/archive/meson-6.8/0030-tools-Makefile-delete-missing-cgroup_clean.patch

@@ -0,0 +1,34 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: amazingfate <liujianfeng1994@gmail.com>
+Date: Wed, 24 Jan 2024 18:03:52 +0800
+Subject: tools/Makefile: delete missing cgroup_clean
+
+---
+ tools/Makefile | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/tools/Makefile b/tools/Makefile
+index 37e9f6804832..9903abe51d5f 100644
+--- a/tools/Makefile
++++ b/tools/Makefile
+@@ -169,7 +169,7 @@ acpi_clean:
+ cpupower_clean:
+ 	$(call descend,power/cpupower,clean)
+ 
+-cgroup_clean counter_clean hv_clean firewire_clean bootconfig_clean spi_clean usb_clean virtio_clean mm_clean wmi_clean bpf_clean iio_clean gpio_clean objtool_clean leds_clean pci_clean firmware_clean debugging_clean tracing_clean:
++counter_clean hv_clean firewire_clean bootconfig_clean spi_clean usb_clean virtio_clean mm_clean wmi_clean bpf_clean iio_clean gpio_clean objtool_clean leds_clean pci_clean firmware_clean debugging_clean tracing_clean:
+ 	$(call descend,$(@:_clean=),clean)
+ 
+ libapi_clean:
+@@ -209,7 +209,7 @@ freefall_clean:
+ build_clean:
+ 	$(call descend,build,clean)
+ 
+-clean: acpi_clean cgroup_clean counter_clean cpupower_clean hv_clean firewire_clean \
++clean: acpi_clean counter_clean cpupower_clean hv_clean firewire_clean \
+ 		perf_clean selftests_clean turbostat_clean bootconfig_clean spi_clean usb_clean virtio_clean \
+ 		mm_clean bpf_clean iio_clean x86_energy_perf_policy_clean tmon_clean \
+ 		freefall_clean build_clean libbpf_clean libsubcmd_clean \
+-- 
+Armbian
+