run_config : change timeout for linux and tftf tests

With new binaries for sgi platform, tftf and linux boot tests take
considerably more time. Update timeout for linux and tftf tests to
match the actual test time

Signed-off-by: Rohit Mathew <rohit.mathew@arm.com>
Change-Id: Iaaf7ebf9050d1af01369735f3bbd92972ff5c172
diff --git a/run_config/fvp-linux.sgi b/run_config/fvp-linux.sgi
index 0b8a471..78986e8 100644
--- a/run_config/fvp-linux.sgi
+++ b/run_config/fvp-linux.sgi
@@ -8,7 +8,7 @@
 fetch_tf_resource() {
 	kernel_type="fvp-sgi-busybox" get_kernel
 	initrd_type="fvp-sgi-ramdisk" get_initrd
-	uart="1" set_primary="1" file="linux-busybox-sgi.exp" track_expect
+	uart="1" timeout="1800" set_primary="1" file="linux-busybox-sgi.exp" track_expect
 	uart="0" file="trusted-firmware-sgi.exp" track_expect