SQUASH: spi: Demote SPI_CS_HIGH warning to KERN_DEBUG

BugLink: https://bugs.launchpad.net/bugs/1877928

This warning is unavoidable from a client's perspective and
doesn't indicate anything wrong (just surprising).

SQUASH with "spi: use_gpio_descriptor fixup moved to spi_setup"

Signed-off-by: Phil Elwell <phil@raspberrypi.com>

(cherry picked from commit d168f59949bad0a74dd6c3df90bcbe0283e67a2e rpi-5.4.y)
Signed-off-by: Juerg Haefliger <juergh@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>

Author: pelwell

drivers/spi/spi.c

@@ -3131,8 +3131,8 @@ int spi_setup(struct spi_device *spi)
 
 	if (ctlr->use_gpio_descriptors && ctlr->cs_gpiods &&
 	    ctlr->cs_gpiods[spi->chip_select] && !(spi->mode & SPI_CS_HIGH)) {
-		dev_warn(&spi->dev,
-			 "setup: forcing CS_HIGH (use_gpio_descriptors)\n");
+		dev_dbg(&spi->dev,
+			"setup: forcing CS_HIGH (use_gpio_descriptors)\n");
 		spi->mode |= SPI_CS_HIGH;
 	}