[coreboot] [PATCH]Kconfig: two fixes

[ron minnich]

Thanks for the fix. Some of those incorrect Kconfig things came from
my script :-)

Acked-by: Ronald G. Minnich <rminnich at gmail.com>

one other thing. Kontron does not build.

    GEN        build/build.h
    LINK       coreboot
/home/rminnich/src/bios/coreboot-v2/build/ldscript.ld:7: undefined
symbol `n' referenced in expression
collect2: ld returned 1 exit status
make: *** [/home/rminnich/src/bios/coreboot-v2/build/coreboot] Error 1