target: add kl25z HLA (stlink) config

Based on Nemuisan Tokusei's. Untested, but original config was reported
to work ok.

Change-Id: Ic991dce55bfca266880081fe2bbd9e6e263b0fc0
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-on: http://openocd.zylin.com/1803
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>

tcl/target/kl25z_hla.cfg

@@ -0,0 +1,55 @@
+# MKL25Z128VLK4
+# FreeScale Cortex-M0plus with 128kB Flash and 16kB Local On-Chip SRAM
+
+if { [info exists CHIPNAME] == 0 } {
+   set _CHIPNAME kl25z
+}
+
+if { [info exists CPUTAPID] == 0 } {
+   set _CPUTAPID 0x0BC11477
+}
+
+if { [info exists WORKAREASIZE] == 0 } {
+   set _WORKAREASIZE 0x3000
+}
+
+if { [info exists TRANSPORT] == 0 } {
+   set _TRANSPORT hla_swd
+}
+
+transport select $_TRANSPORT
+
+hla newtap $_CHIPNAME cpu -expected-id $_CPUTAPID
+
+set _TARGETNAME $_CHIPNAME.cpu
+target create $_TARGETNAME hla_target -chain-position $_TARGETNAME
+
+$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
+
+flash bank pflash kinetis 0x00000000 0x20000 0 4 $_TARGETNAME
+
+proc kl25z_enable_pll {} {
+	echo "KL25Z: Enabling PLL"
+	# SIM->CLKDIV1 = (uint32_t)0x00020000UL; /* Update system prescalers */
+	mww     0x40048044      0x00020000
+	# /* Switch to FEI Mode */
+	# MCG->C1 = (uint8_t)0x06U;
+	mwb 0x40064000  0x06
+	# MCG->C2 = (uint8_t)0x00U;
+	mwb 0x40064001  0x00
+	# /* MCG->C4: DMX32=0,DRST_DRS=1 */
+	# MCG->C4 = (uint8_t)((MCG->C4 & (uint8_t)~(uint8_t)0xC0U) | (uint8_t)0x20U);
+	mwb 0x40064003  0x37
+	#OSC0->CR = (uint8_t)0x80U;
+	mwb 0x40065000  0x80
+	# MCG->C5 = (uint8_t)0x00U;
+	mwb 0x40064004  0x00
+	# MCG->C6 = (uint8_t)0x00U;
+	mwb 0x40064005  0x00
+	sleep 100
+}
+
+$_TARGETNAME configure -event reset-init {
+	kl25z_enable_pll
+}
+