ARM: dts: msm: Enable spi4 instead of spi1 for mdmcalifornium CCARD boards

Replace spi1 configuration with spi4 configuration and add a spidev
device for testing. This port is connected to an MCU for enabling access
to the car network. Add chip select pin to all spi pinctrl nodes and fix
clock name for spi3 and spi4.

Change-Id: I213c0cb91bb17e99c900f40d75777e76494857cd
Signed-off-by: Gustavo Solaira <gustavos@codeaurora.org>