msm: display: increase max mdp clock to 266.667MHz
msm: display: increase max mdp clock to 266.667MHz

The current 8064 frequency plan supports max mdp clk up to 266.667MHz.

CRs-Fixed: 405103
Change-Id: I326f5becc642399a4a0e9d97752d893752388066
Signed-off-by: Huaibin Yang <5ee695045ff23377b540344f819c3ec194b2e2c6@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas