arm/dt: msm8974: Add alt. regulator to kgsl IOMMU

kgsl IOMMU needs two regulators to be turned on before we can
access the registers in the IOMMU.

Change-Id: Iba38c755b00528ef0de44861fd4e73ca7a5975b7
Signed-off-by: Olav Haugan <ohaugan@codeaurora.org>
1 file changed