{drivers,superio}/acpi: Replace ShiftRight(a,b) with ASL 2.0 syntax

Replace `ShiftRight (a, b)` with `a >> b`.

Change-Id: I0751d00186e8dff38e02e7bf7d8ebf5a17514a58
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70628
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>

src/drivers/intel/gma/acpi/configure_brightness_levels.asl

@@ -76,7 +76,7 @@
 				Sleep (1)
 				If (And (ASLC, 0x2) == 0) {
 					/* Request has been processed, check status: */
-					And (ShiftRight (ASLC, 12), 0x3, Local1)
+					And (ASLC >> 12, 0x3, Local1)
 					If (Local1 == 0) {
 						Return (Zero)
 					} Else {