tree: Replace Or(a,b,c) with ASL 2.0 syntax

Replace `Or (a, b, c)` with `c = a | b`, respectively `c |= b` where
possible.

Change-Id: Icf194b248075f290de90fb4bc4e9a0cd9d76ec61
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70846
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/ec/quanta/it8518/acpi/battery.asl

@@ -235,7 +235,7 @@ Device (BATX)
 		// Set critical flag if battery is empty
 		If (And (HB0S, 0x0F) == 0)
 		{
-			Or (Local0, 4, Local0)
+			Local0 |= 4
 		}
 
 		Local1 = Zero
@@ -254,7 +254,7 @@ Device (BATX)
 
 		// Flag if the battery level is critical
 		And (Local0, 0x04, Local4)
-		Or (Local1, Local4, Local1)
+		Local1 |= Local4
 		PBST[0] = Local1
 
 		//