linux: Config.in: correct typo in kernel compression format help text

s/build/built/.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit d233cc72c4b901f1ea0ae4ce895ff665bd0b78d9)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

linux/Config.in

@@ -284,7 +284,7 @@ endchoice
 choice
 	prompt "Kernel compression format"
 	help
-	  This selection will just ensure that the correct host tools are build.
+	  This selection will just ensure that the correct host tools are built.
 	  The actual compression for the kernel should be selected in the
 	  kernel configuration menu.