Add first example project (framework) using libopenstm32.

This is intended as a small blink example for the Olimex STM32-H103 board.
It doesn't do anything useful (yet), but it builds fine.

There's a sample Makefile and a preliminary ld script (which probably
needs some more work).

lib/Makefile

@@ -18,6 +18,8 @@
 ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 ##
 
+LIBNAME		= libopenstm32
+
 # PREFIX	?= arm-none-eabi
 PREFIX		?= arm-elf
 CC		= $(PREFIX)-gcc
@@ -25,7 +27,6 @@ AR		= $(PREFIX)-ar
 CFLAGS		= -Os -g -Wall -Wextra -I../include -fno-common \
 		  -mcpu=cortex-m3 -mthumb
 ARFLAGS		= rcsv
-LIBNAME		= libopenstm32
 OBJS		= gpio.o
 
 all: $(LIBNAME).a