gitignore: Have multiple crossgcc versions

Make it so that git does not remove old copies or the symlink.

Change-Id: I27be60c897d2f86cdf274480c83cbbfe38fcdf94
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/10292
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
1 file changed