clk: qcom: camcc-kona: Enable CFA mode to lock CAM_CC PLL2 properly

Some instances of the Zonda PLL do not lock correctly
in high L-VAL regions. In such cases, CFA mode
can be configured via test_ctl_val to use an alternative
locking mechanism. Enable CFA mode to lock CAM_CC PLL2 properly.

Change-Id: I7b8c4dae5a01900837ead33a766cfb4dbc0724dd
Signed-off-by: Vivek Aknurwar <viveka@codeaurora.org>