sw_apps:zynq_fsbl: Added tcl procedures to validate processor and os

tcl procedures are added to facilitate validating the supported processor(s) and
os platform by FSBL.

Signed-off-by: Sarat Chand Savitala <saratcha@xilinx.com>
Acked-by: Srikanth Vemula <svemula@xilinx.com>

lib/sw_apps/zynq_fsbl/data/zynq_fsbl.tcl

@@ -9,6 +9,14 @@ proc swapp_get_description {} {
 	and each partition can be a code image or a bit stream.";
 }
 
+proc swapp_get_supported_processors {} {
+    return "ps7_cortexa9";
+}
+
+proc swapp_get_supported_os {} {
+    return "standalone";
+}
+
 proc check_standalone_os {} {
     set oslist [hsi::get_os];