tcl/fpga: add config file for Altera EP3C10 FPGA (Cyclone III family)

Change-Id: I4de5156b3c43f548305f8b9a3943a727fa6f0dbe
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Reviewed-on: http://openocd.zylin.com/2889
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>

tcl/fpga/altera-ep3c10.cfg

@@ -0,0 +1,4 @@
+# Altera Cyclone III EP3C10
+# see Cyclone III Device Handbook, Volume 1;
+# Table 14–5. 32-Bit Cyclone III Device IDCODE
+jtag newtap ep3c10 tap -expected-id 0x020f10dd -irlen 10