xmc4500-application-kit-general: Drop srst_nogate

Reset stopped working with this setting.

Change-Id: I98e8fafa48e0ab65dce8110870be422edf7b2fdb
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-on: http://openocd.zylin.com/2727
Tested-by: jenkins
Reviewed-by: Paul Fertser <fercerpav@gmail.com>

tcl/board/xmc4500-application-kit-general.cfg

@@ -5,4 +5,4 @@
 set CHIPNAME xmc4500
 source [find target/xmc4xxx.cfg]
 
-reset_config srst_only srst_nogate
+reset_config srst_only