google/kahlee/grunt: Fix 2 device specific variables

* micbias_lvl -> micbias-lvl
* mic_amp_in_sel -> mic-amp-in-sel

BUG=b:71875600
TEST=Checked in kernel the values are set

Change-Id: Ife7e8cdd835cc256cd8265593a94df84a510cebb
Signed-off-by: Akshu Agrawal <akshu.agrawal@amd.com>
Reviewed-on: https://review.coreboot.org/23603
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
diff --git a/src/mainboard/google/kahlee/variants/baseboard/include/baseboard/acpi/audio.asl b/src/mainboard/google/kahlee/variants/baseboard/include/baseboard/acpi/audio.asl
index 01edce5..520c0d1 100644
--- a/src/mainboard/google/kahlee/variants/baseboard/include/baseboard/acpi/audio.asl
+++ b/src/mainboard/google/kahlee/variants/baseboard/include/baseboard/acpi/audio.asl
@@ -54,8 +54,8 @@
 		ToUUID ("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
 		Package ()
 		{
-			Package () { "dlg,micbias_lvl", 2600 },
-			Package () { "dlg,mic_amp_in_sel", "diff" }
+			Package () { "dlg,micbias-lvl", 2600 },
+			Package () { "dlg,mic-amp-in-sel", "diff" }
 		},
 
 		ToUUID ("dbb8e3e6-5886-4ba6-8795-1319f52a966b"),