mb/google/rex: Disable SATA from the devicetree

SATA is not supported on google/rex hence disable it.

BUG=none
TEST=Build and boot to google/rex.

Signed-off-by: Kapil Porwal <kapilporwal@google.com>
Change-Id: I35a742ab9782feed86c3af514505d870d181b34b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69973
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>

src/mainboard/google/rex/variants/rex0/overridetree.cb

@@ -373,7 +373,6 @@ chip soc/intel/meteorlake
 				device i2c 15 on end
 			end
 		end
-		device ref sata on end
 		device ref i2c4 on
 			chip drivers/i2c/tpm
 				register "hid" = ""GOOG0005""