soc/intel/denverton_ns/pmc.c: Use __func__

Change-Id: I06134e48b2d33c178883fc2047bcfbad417c6d02
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49562
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by:  Felix Singer <felixsinger@posteo.net>
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>

src/soc/intel/denverton_ns/pmc.c

@@ -30,7 +30,7 @@ static void pch_set_acpi_mode(void)
 
 static void pmc_init(struct device *dev)
 {
-	printk(BIOS_DEBUG, "pch: pmc_init\n");
+	printk(BIOS_DEBUG, "pch: %s\n", __func__);
 
 	/* Get the base address */
 	acpi_base = pci_read_config16(dev, PMC_ACPI_BASE) & MASK_PMC_ACPI_BASE;