soc/intel/apollolake: add _RMV attributes to eMMC device ACPI

Required so Windows knows if the storage is removable or not.

Change-Id: I0822d767ada872d55357ff229e47e08fbe778a36
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: https://review.coreboot.org/22830
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/intel/apollolake/acpi/scs.asl b/src/soc/intel/apollolake/acpi/scs.asl
index 5933d52..b15d278 100644
--- a/src/soc/intel/apollolake/acpi/scs.asl
+++ b/src/soc/intel/apollolake/acpi/scs.asl
@@ -109,6 +109,15 @@
 			 */
 			^^SCPG(1,0x00000041)
 		}
+
+		Device (CARD)
+		{
+			Name (_ADR, 0x00000008)
+			Method (_RMV, 0, NotSerialized)
+			{
+				Return (0)
+			}
+		}
 	} /* Device (SDHA) */
 
 	/* SD CARD */
@@ -162,5 +171,13 @@
 			Store (0, ^^GRR3)
 		}
 
+		Device (CARD)
+		{
+			Name (_ADR, 0x00000008)
+			Method (_RMV, 0, NotSerialized)
+			{
+				Return (1)
+			}
+		}
 	} /* Device (SDCD) */
 }