tests: add zephyr SPI driver api test case

This commit verifies the below SPI driver apis:
	spi_configure()
	spi_slave_select()
	spi_write()
	spi_transceive()

Verify SPI work in SPI_MODE_CPOL, SPI_MODE_CPHA,
and SPI_MODE_CPOL | SPI_MODE_CPHA.

Jira: ZEP-1626

Change-Id: I1985ac6ff8269ac908817644a844720f2d7a125c
Signed-off-by: Qiu Peiyang <peiyangx.qiu@intel.com>
Signed-off-by: Sergio Rodriguez <sergio.sf.rodriguez@intel.com>