[stm32f429i-discovery] Moved Chucks example to usart_console

Chucks example is more elaborate than the simple ported example so we
keep both.

Author: esden

examples/stm32/f4/stm32f4-disco/usart/Makefile renamed to examples/stm32/f4/stm32f429i-discovery/usart_console/Makefile

@@ -17,9 +17,9 @@
 
 OBJS = clock.o
 
-BINARY = usart
+BINARY = usart_console
 
-LDSCRIPT = ../stm32f4-disco.ld
+LDSCRIPT = ../stm32f429i-discovery.ld
 
 include ../../Makefile.include