board: ge: mx53ppd: Move check_time() to common location

We are going to be using check_time() on more than the mx53ppd, move this
function to a common location.

Signed-off-by: Martyn Welch <martyn.welch@collabora.co.uk>
diff --git a/board/ge/common/ge_common.h b/board/ge/common/ge_common.h
new file mode 100644
index 0000000..b28aada
--- /dev/null
+++ b/board/ge/common/ge_common.h
@@ -0,0 +1,7 @@
+/*
+ * Copyright 2017 General Electric Company
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+void check_time(void);