drivers: mipi_dbi: mipi_dbi_spi: do not take spinlock

Taking a spinlock will result in interrupts being blocked in the MIPI
DBI driver, which is not desired behavior while issuing SPI transfers,
since the driver may use interrupts to drive the transfer

Fixes #68815

Signed-off-by: Daniel DeGrasse <daniel.degrasse@nxp.com>
(cherry picked from commit 5b6fadc10d3be7120a808928f11389a6151944d2)
1 file changed