board: samarium: Add msm_sdcc auxdata mapping

Add the traditional msm_sdcc name mapping for SDCC
via OF auxdata.  The msm_sdcc names are used by
Android to differentiate between primary and
secondary SDCC.

Change-Id: I70bc9e2851ca534240a49607a71989d2ba58d39b
Signed-off-by: Venkat Gopalakrishnan <venkatg@codeaurora.org>