kernel-headers: bump 3.{0, 4, 8}.x stable version and EOL 3.7.x series

The 3.7.x series is EOLed upstream so match that marking it as
deprecated.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

toolchain/kernel-headers/Config.in

@@ -42,6 +42,7 @@ choice
 
 	config BR2_KERNEL_HEADERS_3_7
 		bool "Linux 3.7.x kernel headers"
+		depends on BR2_DEPRECATED
 
 	config BR2_KERNEL_HEADERS_3_8
 		bool "Linux 3.8.x kernel headers"
@@ -62,14 +63,14 @@ config BR2_DEFAULT_KERNEL_VERSION
 
 config BR2_DEFAULT_KERNEL_HEADERS
 	string
-	default "3.0.71"	if BR2_KERNEL_HEADERS_3_0
+	default "3.0.72"	if BR2_KERNEL_HEADERS_3_0
 	default "3.1.10"	if BR2_KERNEL_HEADERS_3_1
 	default "3.2.42"	if BR2_KERNEL_HEADERS_3_2
 	default "3.3.8"		if BR2_KERNEL_HEADERS_3_3
-	default "3.4.38"	if BR2_KERNEL_HEADERS_3_4
+	default "3.4.39"	if BR2_KERNEL_HEADERS_3_4
 	default "3.5.7"		if BR2_KERNEL_HEADERS_3_5
 	default "3.6.11"	if BR2_KERNEL_HEADERS_3_6
 	default "3.7.10"	if BR2_KERNEL_HEADERS_3_7
-	default "3.8.5"		if BR2_KERNEL_HEADERS_3_8
+	default "3.8.6"		if BR2_KERNEL_HEADERS_3_8
 	default "2.6"		if BR2_KERNEL_HEADERS_SNAP
 	default $BR2_DEFAULT_KERNEL_VERSION if BR2_KERNEL_HEADERS_VERSION