qcacld-3.0: Vote for high DDR bandwidth in FTM mode

In FTM mode, we are not voting for any DDR frequency,
which leads to uneven TX/RX duty cycle, since the DDR
frequency will entirely depends on any other subsytem's
vote.

Vote for VERY HIGH BW in FTM mode.

Change-Id: I7f85fb9889d9119c7224c9bcd9688327e78f15ff
CRs-Fixed: 2706143