tcl/board: Add Spansion SK-FM4-176L-S6E2CC config

Works best after update to firmware v2.3.

Change-Id: Id2d3a0ae28bba014ee5338df9280fe39773c3398
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-on: http://openocd.zylin.com/2570
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>

tcl/board/spansion_sk-fm4-176l-s6e2cc.cfg

@@ -0,0 +1,18 @@
+#
+# Spansion SK-FM4-176L-S6E2CC
+#
+
+#
+# FM3 MB9AF312K
+#
+source [find interface/cmsis-dap.cfg]
+
+# There's also an unpopulated 10-pin 0.05" pinout.
+
+#
+# FM4 S6E2CCAJ0A
+#
+set CHIPNAME s6e2cc
+source [find target/fm4.cfg]
+
+reset_config srst_only