ARM: dts: qcom: apq8064-ifc6410 Use hardware flow control for GSBI6

GSBI6 UART module is connected to BT chip, which uses
hardware flow control lines. Enable them on SoC side.
Signed-off-by: NIvan T. Ivanov <ivan.ivanov@linaro.org>
Signed-off-by: NAndy Gross <andy.gross@linaro.org>

arch/arm/boot/dts/qcom-apq8064-ifc6410.dts

@@ -164,7 +164,7 @@
 
 		gsbi@16500000 {
 			status = "ok";
-			qcom,mode = <GSBI_PROT_I2C_UART>;
+			qcom,mode = <GSBI_PROT_UART_W_FC>;
 
 			serial@16540000 {
 				status = "ok";