The generic SPI controller binding allows GPIO-based chip selects, but
the MA35D1 QSPI driver currently supports only the controller's native
chip selects.
Disallow the cs-gpios property so that the binding matches the
functionality provided by the driver.
Signed-off-by: Chi-Wen Weng <cwweng@nuvoton.com>
Link: https://patch.msgid.link/20260803024048.1641756-1-cwweng.linux@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
