soc/intel/icelake/acpi: Replace Store(a,b) with ASL 2.0 syntax

Replace `Store (a, b)` with `b = a`.

Change-Id: I12560d151d26186e1f4eb0165aa8cef33b7a16aa
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70685
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
diff --git a/src/soc/intel/icelake/acpi/pch_hda.asl b/src/soc/intel/icelake/acpi/pch_hda.asl
index b5b5416..1073f37 100644
--- a/src/soc/intel/icelake/acpi/pch_hda.asl
+++ b/src/soc/intel/icelake/acpi/pch_hda.asl
@@ -56,9 +56,9 @@
 				CreateQWordField (NBUF, ^NHLT._MAX, NMAS)
 				CreateQWordField (NBUF, ^NHLT._LEN, NLEN)
 
-				Store (NHLA, NBAS)
-				Store (NHLA, NMAS)
-				Store (NHLL, NLEN)
+				NBAS = NHLA
+				NMAS = NHLA
+				NLEN = NHLL
 
 				Return (NBUF)
 			}