toolchain: add 3.15 choice for headers

[Thomas: fix BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_15 to select
BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_14 and not itself.]

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

toolchain/toolchain-common.in

@@ -180,10 +180,15 @@ config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_14
 	bool
 	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_13
 
+config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_15
+	bool
+	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_14
+
 # This order guarantees that the highest version is set, as kconfig
 # stops affecting a value on the first matching default.
 config BR2_TOOLCHAIN_HEADERS_AT_LEAST
 	string
+	default "3.15" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_15
 	default "3.14" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_14
 	default "3.13" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_13
 	default "3.12" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_12

toolchain/toolchain-external/Config.in

@@ -1018,6 +1018,10 @@ choice
 	    m = ( LINUX_VERSION_CODE >> 8  ) & 0xFF
 	    p = ( LINUX_VERSION_CODE >> 0  ) & 0xFF
 
+config BR2_TOOLCHAIN_EXTERNAL_HEADERS_3_15
+	bool "3.15.x"
+	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_15
+
 config BR2_TOOLCHAIN_EXTERNAL_HEADERS_3_14
 	bool "3.14.x"
 	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_14