[U-Boot] [PATCH 0/6] misc fixes / cleanups

[Wolfgang Denk]

The following set of patches performs a number of pretty localized,
simple fixes and cleanups:

1/6   boards.cfg: fix board directory name for ML2 board
2/6   shannon/INFERNO: fix special handling of environment configuration
3/6   cmd_ide.c: fix unused variable warning for SC3 board
4/6   exports.c: fix warning: 'dummy' defined but not used
5/6   Make *printf() return "int" instead of "void"
6/6   Redundant environment: move flag definitions to header file