icE1usb fw: Disable the yellow led if LOS

There is no remote side alarm if there is no remote-side ...

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
Change-Id: I78f43eded5ed6ffde9d86726ccee2b776a3f4675
diff --git a/firmware/ice40-riscv/icE1usb/e1.c b/firmware/ice40-riscv/icE1usb/e1.c
index f25e7c1..af59f14 100644
--- a/firmware/ice40-riscv/icE1usb/e1.c
+++ b/firmware/ice40-riscv/icE1usb/e1.c
@@ -448,6 +448,7 @@
 		e1->errors.flags &= ~(E1_ERR_F_LOS|E1_ERR_F_ALIGN_ERR);
 	} else {
 		e1_platform_led_set(port, E1P_LED_GREEN, E1P_LED_ST_BLINK);
+		e1_platform_led_set(port, E1P_LED_YELLOW, E1P_LED_ST_OFF);
 		led_color(48, 0, 0);
 		e1->errors.flags |= E1_ERR_F_ALIGN_ERR;
 		/* TODO: completely off if rx tick counter not incrementing */