{toolchain, linux-headers}: add support for 6.0 headers

And add (and default to) 6.0 to linux-headers.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

linux/linux.hash

@@ -1,3 +1,5 @@
+# From https://www.kernel.org/pub/linux/kernel/v6.x/sha256sums.asc
+sha256  5c2443a5538de52688efb55c27ab0539c1f5eb58c0cfd16a2b9fbb08fd81788e  linux-6.0.tar.xz
 # From https://www.kernel.org/pub/linux/kernel/v5.x/sha256sums.asc
 sha256  4ecdb8b59c6f6f258d89cbf22eede210e0a55c09db884988fe706efe2fe8f148  linux-5.19.13.tar.xz
 sha256  4a1c922a490eeabf5b44d4fde36de9ba5b71711b7352c6258716da41160db628  linux-5.17.15.tar.xz

package/linux-headers/Config.in.host

@@ -6,7 +6,7 @@ config BR2_PACKAGE_HOST_LINUX_HEADERS
 choice
 	prompt "Kernel Headers"
 	default BR2_KERNEL_HEADERS_AS_KERNEL if BR2_LINUX_KERNEL
-	default BR2_KERNEL_HEADERS_5_19
+	default BR2_KERNEL_HEADERS_6_0
 	help
 	  Select the kernel version to get headers from.
 
@@ -60,6 +60,10 @@ config BR2_KERNEL_HEADERS_5_17
 config BR2_KERNEL_HEADERS_5_19
 	bool "Linux 5.19.x kernel headers"
 	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_19
+
+config BR2_KERNEL_HEADERS_6_0
+	bool "Linux 6.0.x kernel headers"
+	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_0
 	select BR2_KERNEL_HEADERS_LATEST
 
 config BR2_KERNEL_HEADERS_VERSION
@@ -137,8 +141,12 @@ 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_0
+	bool "6.0.x or later"
+	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_0
+
 config BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_19
-	bool "5.19.x or later"
+	bool "5.19.x"
 	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_19
 
 config BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_18
@@ -396,6 +404,7 @@ config BR2_DEFAULT_KERNEL_HEADERS
 	default "5.15.67"	if BR2_KERNEL_HEADERS_5_15
 	default "5.17.15"	if BR2_KERNEL_HEADERS_5_17
 	default "5.19.13"	if BR2_KERNEL_HEADERS_5_19
+	default "6.0"		if BR2_KERNEL_HEADERS_6_0
 	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

@@ -575,6 +575,10 @@ config BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_18
 config BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_19
 	bool
 	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_18
+
+config BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_0
+	bool
+	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_19
 	select BR2_TOOLCHAIN_HEADERS_LATEST
 
 # This should be selected by the latest version, above, to indicate that
@@ -588,6 +592,7 @@ config BR2_TOOLCHAIN_HEADERS_LATEST
 # stops affecting a value on the first matching default.
 config BR2_TOOLCHAIN_HEADERS_AT_LEAST
 	string
+	default "6.0"  if BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_0
 	default "5.19" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_19
 	default "5.18" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_18
 	default "5.17" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_17

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

@@ -127,8 +127,12 @@ 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_0
+	bool "6.0.x or later"
+	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_6_0
+
 config BR2_TOOLCHAIN_EXTERNAL_HEADERS_5_19
-	bool "5.19.x or later"
+	bool "5.19.x"
 	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_19
 
 config BR2_TOOLCHAIN_EXTERNAL_HEADERS_5_18