[libgloss] * configure.in: Add rl78. * configure: Regenerate. * rl78: New directory

[newlib]
* configure.host: Add rl78.
* libc/include/machine/ieeefp.h: Add rl78 support.
* libc/include/machine/setjmp.h: Add rl78 support.
* libc/machine/configure.in: Add rl78.
* libc/machine/rl78: New directory.
Initial commit
* libc/machine/rl78/setjmp.S: Convert from CPP macros to GAS macros, to avoid dependence on the line separation character.

* rl78/crt0.S (_interrupt_vector_table): Convert from CPP macros
to GAS macros, to avoid dependence on the line separation
character.
SLIP-radio support for the Nooliberry (RF230 radio)
SLIP-radio support for the Econotag
Restore CC2420 as default in slip-radio
Find and use latest installed GNURL78 toolchain automatically.
Add reset action to terminal target of Makefile. If reset signal is routed to MCU and reset action is not requested, reset signal will be held low.
In GNURL78 v13.01 __far keyword is fixed. Now it is possible to use far pointers to flash area.
Added the PmodRF3 demo for Renesas RL78G14 board.
Added the PmodRF3 demo for Renesas RL78G14 board.
Added 3 more functions.
Added the TIME driver for RL78G14.
Added mspgcc 4.7.x flags to the Wismote makefile
Fix UDP statistics.
Cleaned up various fragments and fixed a compilation error that occured when switching metric container.

Fixed a wrapping problem in the ETX EWMA calculation.

Corrected the multiplier of the link metric, and simplified the configuration
so that the user does not need to specify the multiplier.
Set peripheral mode for the correct UART TX/RX pins
Saved another byte ;-)
Merge pull request #368 from oliverschmidt/master

Saved another byte ;-)
Adjusted Makefile to the final 'atarixl' cc65 target.

- Assign source files to the splitted shadow RAM areas.
- Switched to dynamic Ethernet driver loading.