socfpga: Adding System Manager driver

Adding System Manager driver which will configure the
pin mux for real hardware Cyclone V development kit
(not Virtual Platform)

Signed-off-by: Chin Liang See <clsee@altera.com>
Reviewed-by: Pavel Machek <pavel@denx.de>
Acked-by: Dinh Nguyen <dinguyen@altera.com>
Cc: Wolfgang Denk <wd@denx.de>
CC: Pavel Machek <pavel@denx.de>
Cc: Dinh Nguyen <dinguyen@altera.com>
Cc: Tom Rini <trini@ti.com>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
diff --git a/arch/arm/cpu/armv7/socfpga/Makefile b/arch/arm/cpu/armv7/socfpga/Makefile
index 5024fc5..0859e44 100644
--- a/arch/arm/cpu/armv7/socfpga/Makefile
+++ b/arch/arm/cpu/armv7/socfpga/Makefile
@@ -13,7 +13,7 @@
 LIB	=  $(obj)lib$(SOC).o
 
 SOBJS	:= lowlevel_init.o
-COBJS-y	:= misc.o timer.o reset_manager.o
+COBJS-y	:= misc.o timer.o reset_manager.o system_manager.o
 COBJS-$(CONFIG_SPL_BUILD) += spl.o
 
 COBJS	:= $(COBJS-y)