COMPMID-2819: Fix armv7a build error

Instead of throwing an error when we build with
armv7a and examples=1, print a warning.

Change-Id: I957673c18a3e96a3499ffc9c5ed2a68e9e09965d
Signed-off-by: Michalis Spyrou <michalis.spyrou@arm.com>
Reviewed-on: https://review.mlplatform.org/c/2522
Reviewed-by: Pablo Marquez <pablo.tello@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/SConstruct b/SConstruct
index 139c0e5..3236e7c 100644
--- a/SConstruct
+++ b/SConstruct
@@ -337,8 +337,8 @@
 
 if env['examples'] and env['exceptions']:
     if env['os'] == 'bare_metal' and env['arch'] == 'armv7a':
-        print("Building examples for bare metal and armv7a is not supported. Use examples=0.")
-        Exit(1)
+        print("WARNING: Building examples for bare metal and armv7a is not supported. Use examples=0")
+        Return()
     SConscript('./examples/SConscript', variant_dir='%s/examples' % build_path, duplicate=0)
 
 if env['exceptions']: