boards: mimxrt1015_evk: Enable SPI on RT1015

This commit enables the LPSPI1 peripheral on the RT1015 EVK. LPSPI pins
are not populated by default, but headers can be added to J19 on the EVK
to access these signals

Signed-off-by: Daniel DeGrasse <daniel.degrasse@nxp.com>
6 files changed