spi: stm32-ospi: Fix an error handling path in stm32_ospi_probe()

If an error occurs after a successful stm32_ospi_dma_setup() call, some
dma_release_channel() calls are needed to release some resources, as
already done in the remove function.

Fixes: 79b8a705 ("spi: stm32: Add OSPI driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://patch.msgid.link/2674c8df1d05ab312826b69bfe9559f81d125a0b.1744975624.git.christophe.jaillet@wanadoo.fr


Signed-off-by: Mark Brown <broonie@kernel.org>