uefi: Handle break in --console recent

Otherwise if you run
`framework_tool.efi --console recent -b`
and then stop at one of the screens, the app never exits.

Signed-off-by: Daniel Schaefer <dhs@frame.work>

Author: JohnAZoidberg

framework_lib/src/chromium_ec/mod.rs

@@ -1508,6 +1508,12 @@ impl CrosEc {
                     return Err(err);
                 }
             };
+
+            // Need to explicitly handle CTRL-C termination on UEFI Shell
+            #[cfg(feature = "uefi")]
+            if shell_get_execution_break_flag() {
+                return Ok(console);
+            }
         }
     }