Add a QUIET Makefile option to reduce non-error output

At present building vboot results in some output when there are no warnings/
errors. Add a QUIET option to suppress this.

BUG=none
BRANCH=none
TEST=manual
Build without QUIET=1

    CC            firmware/lib/cryptolib/padding.o
    CC            firmware/lib/cryptolib/rsa.o
    CC            firmware/lib/cryptolib/rsa_utility.o
    CC            firmware/lib/cryptolib/sha1.o
    CC            firmware/lib/cryptolib/sha256.o
    CC            firmware/lib/cryptolib/sha512.o
    CC            firmware/lib/cryptolib/sha_utility.o
    CC            firmware/lib/stateful_util.o
    CC            firmware/lib/vboot_api_firmware.o
    CC            firmware/lib/vboot_common.o
    CC            firmware/lib/vboot_firmware.o
    CC            firmware/lib/tpm_bootmode.o
    CC            firmware/lib/crc8.o
    CC            firmware/lib/utility.o
    CC            firmware/lib/vboot_api_init.o
    CC            firmware/lib/vboot_common_init.o
    CC            firmware/lib/vboot_nvstorage.o
    CC            firmware/lib/rollback_index.o
    CC            firmware/lib/tpm_lite/tlcl.o
    CC            firmware/lib/cgptlib/cgptlib.o
    CC            firmware/lib/cgptlib/cgptlib_internal.o
    CC            firmware/lib/cgptlib/crc32.o
    CC            firmware/lib/utility_string.o
    CC            firmware/lib/vboot_api_kernel.o
    CC            firmware/lib/vboot_audio.o
    CC            firmware/lib/vboot_display.o
    CC            firmware/lib/vboot_kernel.o
    RM            vboot_fw.a
    AR            vboot_fw.a

Build with QUIET=1:

(no output from Makefile)

Change-Id: I35e057df6c640ed06325092365934d870240b9cf
Reviewed-on: https://gerrit.chromium.org/gerrit/46533
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
Commit-Queue: Simon Glass <sjg@chromium.org>

0 files changed, 0 insertions, 0 deletions