Add Program,HS2-R4 value

Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>
diff --git a/utils.c b/utils.c
index cb69a99..c470937 100644
--- a/utils.c
+++ b/utils.c
@@ -140,6 +140,8 @@
 		return PROGRAM_HS2_R2;
 	if (strcasecmp(prog, "HS2-R3") == 0)
 		return PROGRAM_HS2_R3;
+	if (strcasecmp(prog, "HS2-R4") == 0)
+		return PROGRAM_HS2_R4;
 	if (strcasecmp(prog, "WFD") == 0)
 		return PROGRAM_WFD;
 	if (strcasecmp(prog, "DisplayR2") == 0)