bugfix CONFIG_SYS_CONSOLE_INFO_QUIET

The "console: unify printing current devices" patch goofed:
CONFIG_SYS_CONSOLE_INFO_QUIET is supposed to *REMOVE* boot
time noise, not add it.  Said patch changed the #ifndefs
to #ifdef; this one restores them to the proper sense.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>