linux: bump 2.6.37.x stable version

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

linux/Config.in

@@ -22,7 +22,7 @@ choice
 	default BR2_LINUX_KERNEL_2_6_37
 
 config BR2_LINUX_KERNEL_2_6_37
-	bool "2.6.37.2"
+	bool "2.6.37.4"
 
 config BR2_LINUX_KERNEL_SAME_AS_HEADERS
 	bool "Same as toolchain kernel headers"
@@ -60,7 +60,7 @@ config BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION
 
 config BR2_LINUX_KERNEL_VERSION
 	string
-	default "2.6.37" if BR2_LINUX_KERNEL_2_6_37
+	default "2.6.37.4" if BR2_LINUX_KERNEL_2_6_37
 	default BR2_DEFAULT_KERNEL_HEADERS if BR2_LINUX_KERNEL_SAME_AS_HEADERS
 	default BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE if BR2_LINUX_KERNEL_CUSTOM_VERSION
 	default "custom" if BR2_LINUX_KERNEL_CUSTOM_TARBALL