clk: msm: gcc: Add support for 550MHz for GPU clock for MSMGold

MSMGold GPU clock needs to support 550MHz, so update the frequency table
to reflect the same.

CRs-Fixed: 971555
Change-Id: Id192f1120b407d0c5e6f003baf6cb5efde91dd42
Signed-off-by: Odelu Kukatla <okukatla@codeaurora.org>