soc/intel/quark: Clean up debug output levels

Change the debug output levels for quark:
*  Remove excess debug output
*  Change BIOS_DEBUG to BIOS_SPEW - exception in report_platform.c

TEST=Build and run on Galileo Gen2

Change-Id: I37d7ed21a7fc4c92efeb5b71dd01922d7d4b9192
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/16006
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>

src/soc/intel/quark/chip.c

@@ -134,10 +134,8 @@ static struct device_operations pci_domain_ops = {
 
 static void chip_enable_dev(device_t dev)
 {
-	const char *type_name = dev_path_name(dev->path.type);
 
 	/* Set the operations if it is a special bus type */
-	printk(BIOS_DEBUG, "type: %s\n", type_name);
 	if (dev->path.type == DEVICE_PATH_DOMAIN)
 		dev->ops = &pci_domain_ops;
 }