To port LPC178x_7x platform. New files in os/hal/platforms/LPC17xx/ dir is copied from lpcopen
Revert "To port LPC178x_7x platform. New files in os/hal/platforms/LPC17xx/ dir is copied from lpcopen"

This reverts commit 2cd9c69ac8ead9dd5d2bb11c0061bc50b78a1aac.
Merge branch 'lpc17xx_dev' into lpc178x_port
To port LPC178x_7x platform. New files in os/hal/platforms/LPC17xx/ dir is copied from lpcopen.
Flash LEDs using code from nxp.
Change indention.
Merge branch 'lpc17xx_dev' into lpc178x_port
Merge LPC178x_clock_init into hal_lld. And change many indentation.
Add #ifdef LPC177x_8x to avoid affecting other 17xx platforms.
Add PAL support for LPC178x.
Use definitions in mcuconf.h to initialize system. Add Uart0 support for LPC178x.