added target configs for the lpc17xx devices

lpc1751, lpc1752, lpc1754, lpc1756, lpc1758, lpc1759
lpc1763, lpc1764, lpc1765, lpc1766, lpc1767, lpc1768, lpc1769

Change-Id: I740b66930cd379c9390f3c1031cdbada747a6ce4
Signed-off-by: Vandra Akos <axos88@gmail.com>
Reviewed-on: http://openocd.zylin.com/676
Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>
Tested-by: jenkins

tcl/target/lpc1769.cfg

@@ -0,0 +1,17 @@
+# NXP LPC1769 Cortex-M3 with 512kB Flash and 32kB+32kB Local On-Chip SRAM,
+set CHIPNAME lpc1769
+set CPUTAPID 0x4ba00477
+set CPURAMSIZE 0x8000
+set CPUROMSIZE 0x80000
+
+# After reset the chip is clocked by the ~4MHz internal RC oscillator.
+# When board-specific code (reset-init handler or device firmware)
+# configures another oscillator and/or PLL0, set CCLK to match; if
+# you don't, then flash erase and write operations may misbehave.
+# (The ROM code doing those updates cares about core clock speed...)
+#
+# CCLK is the core clock frequency in KHz
+set CCLK 4000
+
+#Include the main configuration file.
+source [find target/lpc17xx.cfg];