build-artik: update bcm4354 wifi firmware
build-artik: update bcm4354 wifi firmware

To resolve wifi connection problem, a new wifi firmware is updated by
broadcomm. This could address the slow ssh connection problem.

Change-Id: I852da5080adb85dcc71192a515cdc135ca8dde55
Signed-off-by: Chanho Park <8ec285a53e21b773fd914e03c50e1b6431bc9aa8@samsung.com>

SamsungARTIK/build-artik