ACPI: DPTF: Fix participant driver names

Change the names of DPTF participant drivers to adhere to the
sysfs file naming conventions (no spaces present in the name in
particular).

Fixes: 2ce6324e ("ACPI: DPTF: Add PCH FIVR participant driver")
Fixes: 6256ebd5 ("ACPI / DPTF: Add DPTF power participant driver")
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Acked-by: Borislav Petkov <bp@suse.de>

drivers/acpi/dptf/dptf_pch_fivr.c

@@ -114,7 +114,7 @@ static struct platform_driver pch_fivr_driver = {
 	.probe = pch_fivr_add,
 	.remove = pch_fivr_remove,
 	.driver = {
-		.name = "DPTF PCH FIVR",
+		.name = "dptf_pch_fivr",
 		.acpi_match_table = pch_fivr_device_ids,
 	},
 };

drivers/acpi/dptf/dptf_power.c

@@ -237,7 +237,7 @@ static struct platform_driver dptf_power_driver = {
 	.probe = dptf_power_add,
 	.remove = dptf_power_remove,
 	.driver = {
-		.name = "DPTF Platform Power",
+		.name = "dptf_power",
 		.acpi_match_table = int3407_device_ids,
 	},
 };