spi: cs42l43: Correct name of ACPI property

Fixes: 439fbc97 ("spi: cs42l43: Add bridged cs35l56 amplifiers")
Signed-off-by: Maciej Strozek <mstrozek@opensource.cirrus.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20240418103315.1487267-1-mstrozek@opensource.cirrus.comSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spi-cs42l43.c

@@ -267,7 +267,7 @@ static bool cs42l43_has_sidecar(struct fwnode_handle *fwnode)
 			continue;
 
 		ret = fwnode_property_read_u32(ext_fwnode,
-					       "01fa-cirrus-sidecar-instances",
+					       "01fa-sidecar-instances",
 					       &val);
 
 		fwnode_handle_put(ext_fwnode);