qcacmn: Add shadow address for CE3

When sending BE stream in epping mode, it fails when writing
registers of CE3 because the addr is not defined. Add this addr
to support epping mode data transfer.

Change-Id: I0d01cbee889c272b35a02bd1aca47f341f1edd2e
CRs-Fixed: 2901231

hif/src/ce/ce_main.c

@@ -4051,6 +4051,9 @@ u32 shadow_sr_wr_ind_addr(struct hif_softc *scn, u32 ctrl_addr)
 	case 0:
 		addr = SHADOW_VALUE0;
 		break;
+	case 3:
+		addr = SHADOW_VALUE3;
+		break;
 	case 4:
 		addr = SHADOW_VALUE4;
 		break;