ARM926EJ-S: relocate OMAP specific 'cpuinfo.c' into OMAP directory

OMAP identification is implemented in 'cpuinfo.c' and located in ARM926EJ-S directory.
It makes sense to place this file in OMAP specific subdirectory, i.e. cpu/arm926ejs/omap

Signed-off-by: Roman Mashak <romez777@gmail.com>
diff --git a/cpu/arm926ejs/Makefile b/cpu/arm926ejs/Makefile
index 0facce4..d5ac7d3 100644
--- a/cpu/arm926ejs/Makefile
+++ b/cpu/arm926ejs/Makefile
@@ -26,7 +26,7 @@
 LIB	= $(obj)lib$(CPU).a
 
 START	= start.o
-COBJS	= interrupts.o cpu.o cpuinfo.o
+COBJS	= interrupts.o cpu.o
 
 SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS))
diff --git a/cpu/arm926ejs/omap/Makefile b/cpu/arm926ejs/omap/Makefile
index c335d5c..74aea74 100644
--- a/cpu/arm926ejs/omap/Makefile
+++ b/cpu/arm926ejs/omap/Makefile
@@ -25,7 +25,7 @@
 
 LIB	= $(obj)lib$(SOC).a
 
-COBJS	= timer.o
+COBJS	= timer.o cpuinfo.o
 SOBJS	= reset.o
 
 SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
diff --git a/cpu/arm926ejs/cpuinfo.c b/cpu/arm926ejs/omap/cpuinfo.c
similarity index 100%
rename from cpu/arm926ejs/cpuinfo.c
rename to cpu/arm926ejs/omap/cpuinfo.c