Makefile: Prettify logging

Replace
	GEN  config-all-devices.mak
by
	GEN   config-all-devices.mak

Like this, the logging output is column aligned.
Signed-off-by: NStefan Weil <weil@mail.berlios.de>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

Makefile

@@ -36,7 +36,7 @@ SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory)
 SUBDIR_DEVICES_MAK=$(patsubst %, %/config-devices.mak, $(TARGET_DIRS))
 
 config-all-devices.mak: $(SUBDIR_DEVICES_MAK)
-	$(call quiet-command,cat $(SUBDIR_DEVICES_MAK) | grep "=y$$" | sort -u > $@,"  GEN  $@")
+	$(call quiet-command,cat $(SUBDIR_DEVICES_MAK) | grep "=y$$" | sort -u > $@,"  GEN   $@")
 
 -include config-all-devices.mak