UEFI: Actually store the "removable" setting in the blockdev controller.

It was being passed in but never stored, effectively making it always 0.

Change-Id: Icc150fe1b75172066387ee9dea9384ebdc6af2df
diff --git a/src/drivers/blockdev/uefi.c b/src/drivers/blockdev/uefi.c
index a7619b0..f9f623f 100644
--- a/src/drivers/blockdev/uefi.c
+++ b/src/drivers/blockdev/uefi.c
@@ -230,5 +230,7 @@
 	ctrlr->ctrlr.ops.update = &uefi_blockdev_ctrlr_update;
 	ctrlr->ctrlr.need_update = 1;
 
+	ctrlr->removable = removable;
+
 	return ctrlr;
 }