toolchain: add 4.6.x choice for headers

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

toolchain/toolchain-common.in

@@ -241,10 +241,15 @@ config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_5
 	bool
 	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_4
 
+config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_6
+	bool
+	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_5
+
 # 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 "4.6"  if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_6
 	default "4.5"  if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_5
 	default "4.4"  if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_4
 	default "4.3"  if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_3

toolchain/toolchain-external/Config.in

@@ -769,6 +769,10 @@ choice
 	    m = ( LINUX_VERSION_CODE >> 8  ) & 0xFF
 	    p = ( LINUX_VERSION_CODE >> 0  ) & 0xFF
 
+config BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_6
+	bool "4.6.x"
+	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_6
+
 config BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_5
 	bool "4.5.x"
 	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_5