Revision 4577

Improve build output.

The Makefile prints need to be @printf -- not $(Q)printf -- as they should

 (1) be printed always (with 'make' _and_ with 'make V=1'),

 (2) but the printf command itself should not be printed, hence the '@'.

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>