clk: qcom: mdss: Update dfps data struct for FB targets

Update the dfps data struct by conditionally removing the
pll_codes_3 memmber. This is to align the data struct used
by the PLL driver in FB based targets with the same data
struct used by the bootloader.

Change-Id: I47708f4e49393f49bcdc60b87b167b965d1ce3e2
Signed-off-by: Nirmal Abraham <nabrah@codeaurora.org>