soc/intel/acpi: Replace Add(a,b,c) with ASL 2.0 syntax

Replace `Add (a, b, c)` with `c = a + b`, respectively `a += b` where
possible.

Change-Id: I96390f565d6c1ca0f4e06db9ad07af784051650c
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70622
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
diff --git a/src/soc/intel/baytrail/acpi/dptf/dptf.asl b/src/soc/intel/baytrail/acpi/dptf/dptf.asl
index fd7fc51..b8b05f7 100644
--- a/src/soc/intel/baytrail/acpi/dptf/dptf.asl
+++ b/src/soc/intel/baytrail/acpi/dptf/dptf.asl
@@ -63,7 +63,7 @@
 		Multiply (Arg0, 10, Local0)
 
 		/* Convert to Kelvin */
-		Add (Local0, 2732, Local0)
+		Local0 += 2732
 
 		Return (Local0)
 	}
diff --git a/src/soc/intel/baytrail/acpi/gpio.asl b/src/soc/intel/baytrail/acpi/gpio.asl
index 4e48cc6..e6dc536 100644
--- a/src/soc/intel/baytrail/acpi/gpio.asl
+++ b/src/soc/intel/baytrail/acpi/gpio.asl
@@ -22,7 +22,7 @@
 	Method (_CRS)
 	{
 		CreateDwordField (^RBUF, ^RMEM._BAS, RBAS)
-		Add (IO_BASE_ADDRESS, IO_BASE_OFFSET_GPSCORE, RBAS)
+		RBAS = IO_BASE_ADDRESS + IO_BASE_OFFSET_GPSCORE
 		Return (^RBUF)
 	}
 
@@ -51,7 +51,7 @@
 	Method (_CRS)
 	{
 		CreateDwordField (^RBUF, ^RMEM._BAS, RBAS)
-		Add (IO_BASE_ADDRESS, IO_BASE_OFFSET_GPNCORE, RBAS)
+		RBAS = IO_BASE_ADDRESS + IO_BASE_OFFSET_GPNCORE
 		Return (^RBUF)
 	}
 
@@ -80,7 +80,7 @@
 	Method (_CRS)
 	{
 		CreateDwordField (^RBUF, ^RMEM._BAS, RBAS)
-		Add (IO_BASE_ADDRESS, IO_BASE_OFFSET_GPSSUS, RBAS)
+		RBAS = IO_BASE_ADDRESS + IO_BASE_OFFSET_GPSSUS
 		Return (^RBUF)
 	}
 
diff --git a/src/soc/intel/baytrail/acpi/southcluster.asl b/src/soc/intel/baytrail/acpi/southcluster.asl
index 94548a3..3e4f8e2 100644
--- a/src/soc/intel/baytrail/acpi/southcluster.asl
+++ b/src/soc/intel/baytrail/acpi/southcluster.asl
@@ -176,7 +176,7 @@
 	/* TOLM is BMBOUND accessible from IOSF so is saved in NVS */
 	Store (\TOLM, PMIN)
 	Store (Subtract(CONFIG_ECAM_MMCONF_BASE_ADDRESS, 1), PMAX)
-	Add (Subtract (PMAX, PMIN), 1, PLEN)
+	PLEN = Subtract (PMAX, PMIN) + 1
 
 	Return (MCRS)
 }
diff --git a/src/soc/intel/braswell/acpi/dptf/dptf.asl b/src/soc/intel/braswell/acpi/dptf/dptf.asl
index 939db16..5047fca 100644
--- a/src/soc/intel/braswell/acpi/dptf/dptf.asl
+++ b/src/soc/intel/braswell/acpi/dptf/dptf.asl
@@ -63,7 +63,7 @@
 		Multiply (Arg0, 10, Local0)
 
 		/* Convert to Kelvin */
-		Add (Local0, 2732, Local0)
+		Local0 += 2732
 
 		Return (Local0)
 	}
diff --git a/src/soc/intel/braswell/acpi/gpio.asl b/src/soc/intel/braswell/acpi/gpio.asl
index ee26b3c3..2cf74a6 100644
--- a/src/soc/intel/braswell/acpi/gpio.asl
+++ b/src/soc/intel/braswell/acpi/gpio.asl
@@ -22,7 +22,7 @@
 	Method (_CRS)
 	{
 		CreateDwordField (^RBUF, ^RMEM._BAS, RBAS)
-		Add (IO_BASE_ADDRESS, COMMUNITY_OFFSET_GPSOUTHWEST, RBAS)
+		RBAS = IO_BASE_ADDRESS + COMMUNITY_OFFSET_GPSOUTHWEST
 		Return (^RBUF)
 	}
 
@@ -51,7 +51,7 @@
 	Method (_CRS)
 	{
 		CreateDwordField (^RBUF, ^RMEM._BAS, RBAS)
-		Add (IO_BASE_ADDRESS, COMMUNITY_OFFSET_GPNORTH, RBAS)
+		RBAS = IO_BASE_ADDRESS + COMMUNITY_OFFSET_GPNORTH
 		Return (^RBUF)
 	}
 
@@ -80,7 +80,7 @@
 	Method (_CRS)
 	{
 		CreateDwordField (^RBUF, ^RMEM._BAS, RBAS)
-		Add (IO_BASE_ADDRESS, COMMUNITY_OFFSET_GPEAST, RBAS)
+		RBAS = IO_BASE_ADDRESS + COMMUNITY_OFFSET_GPEAST
 		Return (^RBUF)
 	}
 
@@ -109,7 +109,7 @@
 	Method (_CRS)
 	{
 		CreateDwordField (^RBUF, ^RMEM._BAS, RBAS)
-		Add (IO_BASE_ADDRESS, COMMUNITY_OFFSET_GPSOUTHEAST, RBAS)
+		RBAS = IO_BASE_ADDRESS + COMMUNITY_OFFSET_GPSOUTHEAST
 		Return (^RBUF)
 	}
 
diff --git a/src/soc/intel/braswell/acpi/lpc.asl b/src/soc/intel/braswell/acpi/lpc.asl
index 76af8fd..2b54018 100644
--- a/src/soc/intel/braswell/acpi/lpc.asl
+++ b/src/soc/intel/braswell/acpi/lpc.asl
@@ -39,7 +39,7 @@
 			CreateDwordField (^RBUF, ^FBAR._LEN, FLEN)
 			Multiply(CONFIG_COREBOOT_ROMSIZE_KB, 1024, Local0)
 			Store(Local0, FLEN)
-			Add(Subtract(0xffffffff, Local0), 1, FBAS)
+			FBAS = Subtract(0xffffffff, Local0) + 1
 			Return (^RBUF)
 		}
 	}
diff --git a/src/soc/intel/braswell/acpi/southcluster.asl b/src/soc/intel/braswell/acpi/southcluster.asl
index 0e17686..3b33a79 100644
--- a/src/soc/intel/braswell/acpi/southcluster.asl
+++ b/src/soc/intel/braswell/acpi/southcluster.asl
@@ -175,7 +175,7 @@
 	/* TOLM is BMBOUND accessible from IOSF so is saved in NVS */
 	Store (\TOLM, PMIN)
 	Store (Subtract(CONFIG_ECAM_MMCONF_BASE_ADDRESS, 1), PMAX)
-	Add (Subtract (PMAX, PMIN), 1, PLEN)
+	PLEN = Subtract (PMAX, PMIN) + 1
 
 	Return (MCRS)
 }