clk: qcom: lagoon: Update the dp clock ops for dispcc

The dp_crypto and dp_link clocks of mdss require to use the rcg2 ops and
the cache rate flag, so update it accordingly.

While at it update the flag for LUT clock.

Change-Id: I77e2e1b2690baacfc0cae46bdd6ed926dc8ebc1a
Signed-off-by: Taniya Das <tdas@codeaurora.org>