kconfig: config script: add a little user help

Give the user a clue about the problem along with the 35 lines of
usage/help text.

Signed-off-by: Randy Dunlap <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Masahiro Yamada <[email protected]>
Cc: [email protected]
Signed-off-by: Masahiro Yamada <[email protected]>
1 file changed