uboot-tools: enable fw_printenv by default

Normally people want to atleast use fw_printenv if they are using u-boot
tools, so default to 'y'.

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

package/uboot-tools/Config.in

@@ -15,6 +15,7 @@ config BR2_PACKAGE_UBOOT_TOOLS_MKIMAGE
 
 config BR2_PACKAGE_UBOOT_TOOLS_FWPRINTENV
 	bool "fw_printenv"
+	default y
 	help
 	  The fw_printenv / fw_setenv tools from Das U-Boot
 	  bootloader, which allows access to the U-Boot environment