spi: rename SPI_CS_CNT_MAX => SPI_DEVICE_CS_CNT_MAX

Rename SPI_CS_CNT_MAX to SPI_DEVICE_CS_CNT_MAX to make it more obvious
that this is the max number of CS per device supported, not per
controller.

Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Link: https://patch.msgid.link/20250915183725.219473-8-jonas.gorski@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
3 files changed