device: Constify struct device * parameter to acpi_fill_ssdt()

.acpi_fill_ssdt() does not need to modify the device structure. This
change makes the struct device * parameter to acpi_fill_ssdt() as
const.

Change-Id: I110f4c67c3b6671c9ac0a82e02609902a8ee5d5c
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40710
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/drivers/i2c/hid/hid.c

@@ -20,7 +20,7 @@ static void i2c_hid_fill_dsm(const struct device *dev)
 	acpigen_write_dsm_i2c_hid(&dsm_config);
 }
 
-static void i2c_hid_fill_ssdt_generator(struct device *dev)
+static void i2c_hid_fill_ssdt_generator(const struct device *dev)
 {
 	struct drivers_i2c_hid_config *config = dev->chip_info;
 	config->generic.cid = I2C_HID_CID;