stm32l1.cfg: Add missing dash to fix f7394049d3 commit.

Change-Id: Ifeb2d4fc2b43813edbc6fe2cf08bfd4c55cd1e86
Signed-off-by: Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de>
Reviewed-on: http://openocd.zylin.com/2590
Tested-by: jenkins
Reviewed-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-by: Stian Skjelstad <stian@nixia.no>

tcl/target/stm32l1.cfg

@@ -65,7 +65,7 @@ if { [info exists BSTAPID] } {
 
 if {[using_jtag]} {
    swj_newdap $_CHIPNAME bs -irlen 5 \
-   -expected-id $_BSTAPID1 -expected-id $_BSTAPID2 expected-id $_BSTAPID3 \
+   -expected-id $_BSTAPID1 -expected-id $_BSTAPID2 -expected-id $_BSTAPID3 \
    -expected-id $_BSTAPID4 -expected-id $_BSTAPID5
 }