Silent these echo's, please.
Signed-off-by: WANG Cong <amwang@redhat.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
        $(obj)/bin2hex pss_synth < $< > $@
 else
     $(obj)/pss_boot.h:
-       (                                                       \
+       $(Q)(                                                   \
            echo 'static unsigned char * pss_synth = NULL;';    \
            echo 'static int pss_synthLen = 0;';                \
        ) > $@
        $(obj)/hex2hex -i trix_boot < $< > $@
 else
     $(obj)/trix_boot.h:
-       (                                                       \
+       $(Q)(                                                   \
            echo 'static unsigned char * trix_boot = NULL;';    \
            echo 'static int trix_boot_len = 0;';               \
        ) > $@