xtensa: fix spelling mistake in Kconfig "wont" -> "won't"

There is a spelling mistake in the Kconfig help text. Fix it.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Message-Id: <20201217172427.58009-1-colin.king@canonical.com>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index 9ad6b7b8..a99dc39 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -466,7 +466,7 @@
 	  then enter your normal kernel breakpoints once the MMU was mapped
 	  to the kernel mappings (0XC0000000).
 
-	  This unfortunately won't work for U-Boot and likely also wont
+	  This unfortunately won't work for U-Boot and likely also won't
 	  work for using KEXEC to have a hot kernel ready for doing a
 	  KDUMP.