at91: extract reset from timer

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/cpu/arm926ejs/at91/Makefile b/cpu/arm926ejs/at91/Makefile
index 71acb0b..66eec76 100644
--- a/cpu/arm926ejs/at91/Makefile
+++ b/cpu/arm926ejs/at91/Makefile
@@ -34,6 +34,7 @@
 COBJS-$(CONFIG_AT91_LED)	+= led.o
 COBJS-y += clock.o
 COBJS-y += cpu.o
+COBJS-y	+= reset.o
 COBJS-y	+= timer.o
 
 SRCS    := $(SOBJS:.o=.S) $(COBJS-y:.o=.c)