ARM: dts: msm: Add SMEM target info address for msm8226

To support the Dynamic SMEM configuration feature add the SMEM target
information address in IMEM and size.

Change-Id: Ice52bfe28ed93fecef6595d9a46c93479c5663e7
Signed-off-by: Arun Kumar Neelakantam <aneela@codeaurora.org>