Revert "msm-vidc: Update max h/w load for venus firmware"

This reverts commit 98880d623fea6c1259eb19fcb81f560a095c3906.
Revert "ARM: dts: msm: increase adsp heap size for msm8974"

This reverts commit 967ead7fe03933ec387c4f6ca8fe69749d65c38d.
Revert "arm/dt: msm8974: increase adsp heap size"

This reverts commit 1129806144883ba5df2b830a74f974b2b01a7359.