arm/dt: msm8974: Enable MDSS memory and logic rail retention
arm/dt: msm8974: Enable MDSS memory and logic rail retention

Avoid collapsing the MDSS power rails. These will be collapsed
and restored by the RPM.

CRs-Fixed: 500585
Change-Id: I9d44205623f0e3ce430d3365a05ede0e02586c53
Signed-off-by: Matt Wagantall <f353a1326f7aad71d23381a3beb9470c3b31d81b@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