tests: build_all: modem: Add Sequans GM02S Modem test

Added test definition for Sequans GM02S Modem to build_all test.

Signed-off-by: Thibo Verheyde <[email protected]>

Author: vThibo

tests/drivers/build_all/modem/uart.dtsi

@@ -76,3 +76,9 @@ test_nordic_nrf91_slm: nordic_nrf91_slm {
 
 	mdm-power-gpios = <&test_gpio 0 0>;
 };
+
+test_sqn_gm02s: sqn_gm02s {
+	compatible = "sqn,gm02s";
+
+	mdm-reset-gpios = <&test_gpio 0 0>;
+};