tree eba7030f32ce18fa71562224ee2e0d8ddda33421
parent 7a962923359768e04137125bd479fd0dfa6117d3
author Roman Zippel <zippel@linux-m68k.org> 1200282654 +0100
committer Sam Ravnborg <sam@ravnborg.org> 1201558479 +0100

kconfig: environment symbol support

Add the possibility to import a value from the environment into kconfig
via the option syntax. Beside flexibility this has the advantage
providing proper dependencies.
Documented the options syntax.

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>