ARM: dts: msm: Enable SPI on msmzirc

Enable SPI on msmzirc.  There is an i2c instance defined on the
same QUP that is assigned to SPI keeping the SPI from loading
so the i2c device is disabled.  The correct i2c instance is already
defined.

Change-Id: I65a2420fcb3c9fdaf9e53ab41fa8c0c8b45ee551
Signed-off-by: Dan Sneddon <dsneddon@codeaurora.org>