ARM: dts: Bump up bandwidth requests for legacy video decoders

Increase the bandwidth request of DDR and OCMEM by a factor 1.1x to
account for the new DCVS algorithm.  The core0 (HEVC) had previously
been increased by 1.5x as part of 6944042c\
e7a96d4.

The increased bandwidth request allows for clips which stress the system
meet performance goals.

CRs-Fixed: 621586
Change-Id: I4621f5da94686209aa3d01c9f103e2701d72d0ca
Signed-off-by: Deva Ramasubramanian <dramasub@codeaurora.org>