msm: mpq_8064: add support for GSBI5 I2C configuration

GSBI5 support is added on MPQ 8064 as an I2C device
to provide access to the AVC board. Also, GSBI1 and
GSGI7 are not available because VCAP is enabled so
support for them is removed.

Change-Id: I7436574be80f0be035189aba4ed4ea31a7eb33e1
Signed-off-by: Joel King <joelking@codeaurora.org>