{toolchain, linux-headers}: add support for 6.4 headers

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

linux/linux.hash

@@ -1,4 +1,5 @@
 # From https://www.kernel.org/pub/linux/kernel/v6.x/sha256sums.asc
+sha256  8fa0588f0c2ceca44cac77a0e39ba48c9f00a6b9dc69761c02a5d3efac8da7f3  linux-6.4.tar.xz
 sha256  e0a9ad8692b2191cbd33db371a780a3fe375de90123a307ecd874c0860cd46e3  linux-6.3.10.tar.xz
 sha256  d8ca0e300f30b9ff70c6e1497c638a1dac1407f45d3655e9c62c6e45a08afe6b  linux-6.1.36.tar.xz
 # From https://www.kernel.org/pub/linux/kernel/v5.x/sha256sums.asc

package/linux-headers/Config.in.host

@@ -3,7 +3,7 @@ comment "Kernel Header Options"
 choice
 	prompt "Kernel Headers"
 	default BR2_KERNEL_HEADERS_AS_KERNEL if BR2_LINUX_KERNEL
-	default BR2_KERNEL_HEADERS_6_3
+	default BR2_KERNEL_HEADERS_6_4
 	help
 	  Select the kernel version to get headers from.
 
@@ -52,6 +52,10 @@ config BR2_KERNEL_HEADERS_6_1
 config BR2_KERNEL_HEADERS_6_3
 	bool "Linux 6.3.x kernel headers"
 	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_3
+
+config BR2_KERNEL_HEADERS_6_4
+	bool "Linux 6.4.x kernel headers"
+	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_4
 	select BR2_KERNEL_HEADERS_LATEST
 
 config BR2_KERNEL_HEADERS_VERSION
@@ -129,8 +133,12 @@ choice
 	  If your kernel headers are more recent than the latest version
 	  in the choice, then select the latest version.
 
+config BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_4
+	bool "6.4.x or later"
+	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_4
+
 config BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_3
-	bool "6.3.x or later"
+	bool "6.3.x"
 	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_3
 
 config BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_2
@@ -403,6 +411,7 @@ config BR2_DEFAULT_KERNEL_HEADERS
 	default "5.15.119"	if BR2_KERNEL_HEADERS_5_15
 	default "6.1.36"	if BR2_KERNEL_HEADERS_6_1
 	default "6.3.10"	if BR2_KERNEL_HEADERS_6_3
+	default "6.4"		if BR2_KERNEL_HEADERS_6_4
 	default BR2_DEFAULT_KERNEL_VERSION if BR2_KERNEL_HEADERS_VERSION
 	default "custom"	if BR2_KERNEL_HEADERS_CUSTOM_TARBALL
 	default BR2_KERNEL_HEADERS_CUSTOM_REPO_VERSION \

toolchain/Config.in

@@ -608,6 +608,10 @@ config BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_2
 config BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_3
 	bool
 	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_2
+
+config BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_4
+	bool
+	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_3
 	select BR2_TOOLCHAIN_HEADERS_LATEST
 
 # This should be selected by the latest version, above, to indicate that
@@ -621,6 +625,7 @@ config BR2_TOOLCHAIN_HEADERS_LATEST
 # stops affecting a value on the first matching default.
 config BR2_TOOLCHAIN_HEADERS_AT_LEAST
 	string
+	default "6.4"  if BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_4
 	default "6.3"  if BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_3
 	default "6.2"  if BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_2
 	default "6.1"  if BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_1

toolchain/toolchain-external/toolchain-external-custom/Config.in.options

@@ -142,8 +142,12 @@ choice
 	  If your toolchain uses headers newer than the latest version
 	  in the choice, then select the latest version.
 
+config BR2_TOOLCHAIN_EXTERNAL_HEADERS_6_4
+	bool "6.4.x or later"
+	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_4
+
 config BR2_TOOLCHAIN_EXTERNAL_HEADERS_6_3
-	bool "6.3.x or later"
+	bool "6.3.x"
 	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_3
 
 config BR2_TOOLCHAIN_EXTERNAL_HEADERS_6_2