ARM: DT: STiH407: Add SPI FSM (NOR Flash) Controller pin config

This patch adds the pin configuration for the NOR flash controller.
Signed-off-by: NChristophe Kerello <christophe.kerello@st.com>
Acked-by: NLee Jones <lee.jones@linaro.org>
Acked-by: NPatrice Chotard <patrice.chotard@st.com>
Signed-off-by: NPeter Griffin <peter.griffin@linaro.org>
Signed-off-by: NMaxime Coquelin <maxime.coquelin@st.com>

arch/arm/boot/dts/stih407-pinctrl.dtsi

@@ -1072,6 +1072,19 @@
 					};
 				};
 			};
+
+			fsm {
+				pinctrl_fsm: fsm {
+					st,pins {
+						spi-fsm-clk = <&pio40 1 ALT1 OUT>;
+						spi-fsm-cs = <&pio40 0 ALT1 OUT>;
+						spi-fsm-mosi = <&pio40 2 ALT1 OUT>;
+						spi-fsm-miso = <&pio40 3 ALT1 IN>;
+						spi-fsm-hol = <&pio40 5 ALT1 OUT>;
+						spi-fsm-wp = <&pio40 4 ALT1 OUT>;
+					};
+				};
+			};
 		};
 	};
 };