fm4: Split out S6E2CC family config

Its memory layout is different from MB9BFxxx.

Change-Id: I39c9f9cf582cd182971a9f83bb88c7a18da6cf15
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-on: http://openocd.zylin.com/3007
Tested-by: jenkins
Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>

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

@@ -10,9 +10,10 @@ source [find interface/cmsis-dap.cfg]
 # There's also an unpopulated 10-pin 0.05" pinout.
 
 #
-# FM4 S6E2CCAJ0A
+# FM4 S6E2CCAJ0A w/ 192 KB SRAM0
 #
 set CHIPNAME s6e2cc
-source [find target/fm4.cfg]
+set WORKAREASIZE 0x30000
+source [find target/fm4_s6e2cc.cfg]
 
 reset_config srst_only

tcl/target/fm4_s6e2cc.cfg

@@ -0,0 +1,15 @@
+#
+# Spansion FM4 S6E2CC (ARM Cortex-M4)
+#
+
+source [find target/fm4.cfg]
+
+# S6E2CC8 H/J/L have 96 KB SRAM0
+if { [info exists WORKAREASIZE] } {
+	set _WORKAREASIZE $WORKAREASIZE
+} else {
+	set _WORKAREASIZE 0x18000
+}
+
+$_TARGETNAME configure -work-area-phys [expr 0x20000000 - $_WORKAREASIZE] \
+                       -work-area-size $_WORKAREASIZE -work-area-backup 0