clk: msm: mdmfermium: Correct voting levels for a7sspll in mdmfermium

Voting level for a7sspll will be as per the stromer PLL specifictions.
Correct it to reflect the same.

Change-Id: I0a81a07ba9d05f65f4350c185d1b917c1b513452
Signed-off-by: Jaydeep Sen <jsen@codeaurora.org>