arm, davinci: move misc function in arch tree

move the board/davinci/common/misc.c file to
arch/arm/cpu/arm926ejs/davinci/misc.c, so all
davinci boards can use this functions.

Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Sandeep Paulraj <s-paulraj@ti.com>
Cc: Tom Rini <tom.rini@gmail.com>
Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
Cc: Christian Riesch <christian.riesch@omicron.at>
diff --git a/arch/arm/cpu/arm926ejs/davinci/Makefile b/arch/arm/cpu/arm926ejs/davinci/Makefile
index 4ac187a..5ae89df 100644
--- a/arch/arm/cpu/arm926ejs/davinci/Makefile
+++ b/arch/arm/cpu/arm926ejs/davinci/Makefile
@@ -27,7 +27,7 @@
 
 LIB	= $(obj)lib$(SOC).o
 
-COBJS-y				+= cpu.o timer.o psc.o pinmux.o
+COBJS-y				+= cpu.o misc.o timer.o psc.o pinmux.o
 COBJS-$(CONFIG_DA850_LOWLEVEL)	+= da850_lowlevel.o
 COBJS-$(CONFIG_SOC_DM355)	+= dm355.o
 COBJS-$(CONFIG_SOC_DM365)	+= dm365.o