ec/google/chromeec: Unhide ChromeEC PD ACPI device

Set the ACPI status (_STA) for the PD device enabled+visible, to allow
coolstar's Windows drivers for USB4/Thunderbolt to attach.

TEST=build/boot Win11 on google/drobit, install USB4/TB drivers, verify
USB4/TB ports are functional for PD and data at USB4 speeds.

Change-Id: I84a20cfaf7e077469f8361b3da3b031d9fd84134
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76791
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: CoolStar <coolstarorganization@gmail.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Caveh Jalali <caveh@chromium.org>

src/ec/google/chromeec/acpi/pd.asl

@@ -7,6 +7,6 @@ Device (ECPD)
 	Name (_DDN, "EC PD Device")
 	Method(_STA, 0)
 	{
-		Return (0xB)
+		Return (0xF)
 	}
 }